语法知识—情态动词的专项训练解析含答案
初中英语语法之情态动词用法及练习题(含答案)
情态动词用法及练习题一、情态动词的概念：情态动词主要用以表明说话者对某一行为的态度和观点，主要包括揣测、判断、需要及各种意愿。
常见的情态动词有can、may、could、must、have to、should、would等。
二、情态动词的特征(1)情态动词本身有词义，但词义不完整，因此不能独立作谓语，只能和主要动词一起构成谓语。
例如：I can play the piano.（ can play整体为谓语）(2)其后动词使用原形。
例如：You should lie down.(3)情态动词一般没有人称和数的变化(即不管是何人称，后面接的情态动词都不变)。
例如：I/She can sing.(4)它的否定式一般是在其后加 not构成，在一般疑问句中通常将其提到句首。
结构如下：①肯定句：主语+情态动词+动词原形+其他。
例如：He can swim.②否定句：主语+情态动词+not+动词原形+其他。
例如：He can't swim.③一般疑问句：情态动词+主语+动词原形+其他？Yes，主语+情态动词. No,主语+情态动词+not.例如：-Can he swim?-Yes, he can. No,he can’t.④特殊疑问句：特殊疑问词+情态动词+主语+动词原形+其他? 例如： -What can he do ?-He can swim.三.情态动词的用法(1)can的用法①表示“能力”Can you sing?你会唱歌吗?②表示客观条件允许You can listen to music here.你可以在这里听音乐。
You can’t park your car here. 你不能在此停车③can用在否定句和疑问句中时，有时表示说话人的怀疑、惊异、或猜测：It can’t be true.这不可能是事实Can it be true?这可能是真的吗？④.can的搭配用法：A.as +adj./adv.+as one can/could “尽可能，尽量……”，如：The man took his child to the hospital as quickly as he could.这个男人尽可能快地将孩子送去医院。
(完整版)情态动词专项练习及答案
情态动词专项练习1。
Jean have kept his promise. I wonder why he changed his idea.A. mustB. should C。
need D. would解析：选B。
“should have +过去分词” 表示“过去本来应该（但没能）做某事”；keep one’s promise 意为“信守诺言”。
2。
Jane have come to the party， but she not find the exact time。
A. could； couldB. might; couldC. should； could D。
should； would解析:选A。
“ could have+过去分词表示过去本来应该(但没能)做某事”.3. So many mistakes in your homework！ You more careful.A。
may be B. had to C. would be D. should have been解析：选D。
“You should have been more careful”。
意为：你本来应该更细心的。
4．Her brother be at home now， because he was seen playing basketball in the stadium just now.A。
mustn’t B. needn’t C。
can’t D. shouldn't解析：选C。
can’t be at home 意为：不可能在家.5．-——I can’t understand why ou r boss is late.———He the early bus.A。
could miss B。
may have missedC. can have missed D。
might miss解析：选B. “may have+过去分词"表示对过去动作的判断，意为：可能做了某事。
英语情态动词专项练习(附答案)含答案
英语情态动词专项练习(附答案)含答案一、初中英语情态动词1．—Must I clean the classroom now? —No, you_______.A. mustn'tB. can'tC. needn't【答案】 C【解析】【分析】句意：--我必须现在把教室打扫干净吗？--不，你不必。
must I do …?的否定回答是No, you needn't 或者 No , you don't have to 。
根据是否定回答，故选C。
2．—Where is Monica? I can't find her anywhere.—She be in the library. She loves reading books when she is free.A. mustB. needC. can't【答案】 A【解析】【分析】句意：——莫妮卡在哪？我到处都找不到她。
——她肯定在图书馆，她喜欢空闲时看书。
A肯定，肯定句中表示推测，B需要，C不可能，否定句中表示推测，根据 She loves reading books when she is free ，可知是肯定句表示推测，故选A。
【点评】考查情态动词，注意情态动词表推测的用法。
3．— Sorry, I forgot to take money with me. Maybe I can't buy the book you like.— Mum, you ______ worry about it. We can pay by Alipay （支付宝）.A. can'tB. needn'tC. mustn'tD. shouldn't【答案】 B【解析】【分析】句意：——对不起，我忘记带钱了。
也许我不能买你喜欢的书。
——妈妈，你不用担心。
我们可以用支付宝支付。
【英语】高三英语情态动词专项训练100(附答案)及解析
【英语】高三英语情态动词专项训练100(附答案)及解析一、单项选择情态动词1．he law is equally applied to everyone. No one _______ be above it.A．shall B．mustC．may D．need【答案】A【解析】【详解】考查情态动词。
句意：法律面前人人平等。
没有人能凌驾于法律之上。
A. shall用于第二、第三人称，则含有命令、警告、允诺或威胁的语气。
B. must（必须，一定）用于肯定句。
C. may（可以，能够）表允许时一般不与第三人称连用。
D. need (表示没有必要或询问是否有必要) 需要；故选A。
2．Frankly speaking, I am not sure whether I ________ this in the old days with that kind of equipment, which looks quite odd and ridiculous.A．should have done B．need have done C．would have done D．must have done 【答案】C【解析】【详解】考查情态动词+have done。
句意：坦率地说，我不确定在过去我是否会用这种设备做这件事，这看起来很奇怪和可笑。
A. should have done表示本应该做某事，而实际上没有做某事；B. need have done表示本来需要做某事而没有做；C. would have done虚拟语气，表示对过去事情的假设，意思是“本来会做”；D. must have done表示对过去事情的肯定推测，译成“一定做过某事”。
由“in the old days”可知，本句表示对过去事情的假设。
故选C项。
3．Most of the top leaders expressed a common desire at the UN conference, ______ that different cultures ______ coexist with tolerance.A．the one ; must B．the one ; should C．one ; must D．one ; should【答案】D【解析】【详解】考查替代和情态动词。
初中英语情态动词专项练习(附答案解析)
初中英语情态动词专项练习（附答案解析）一、单选题1．—Must I hand in the homework right now?—That's the rule.A．Yes, you can.B．No, you can't.C．Yes, you must.D．No, you mustn't.1．答案C解析句意：—我必须现在交作业吗？—这是规则。
是的,，你必须。
A. Yes,you can.“是的,你能”；B. No,you can't.“不,你不能”；C. Yes,you must.“是的,你必须”；D. No,you mustn't.“不,你禁止”。
回答must引导的一般疑问句，肯定用must，表示"必须"。
故选C。
点评考查情态动词引导的一般疑问句的回答，掌握情态动词must的用法。
2．You don't look well, you __________ see the doctor.A．ought to B．may C．can D．Might 2．答案A解析句意：你看起来不好，你应该去看看医生。
根据“看起来不好”可以得知是应该去。
A. ought to “应该”；B. may “可能”；C. can“ 会”；D. might“可能”。
故选A。
点评考查情态动词，区分ought to；may ；can和might的含义和应用。
3．What a beautiful day! You ______ take your umbrella at all.A．needn't B．mustn't C．can't D．may not 3．答案A解析句意：多好的天气啊!你根本不需要带伞。
A. needn't “不必”；B. mustn't“禁止”；C. can't“不可能”；D. may not“或许不会”。
(英语)高三英语情态动词专项训练100(附答案)含解析
4. shall用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁。如：You shall fail if you don't work harder.（警告）He shall have the book when I finish reading.（允诺）He shall be punished.（威胁）
3．Our English teacher is considerate，helpful，and warm-hearted，but sometimes she________________ be angry at our silly mistakes.
A．shouldB．must
C．canD．shall
【解析】
【详解】
考查情态动词+have done。句意：“昨晚10点左右你给我打了电话，是吗？”“不，我没给你打电话。一定是别人干的。” must have done是对过去发生的动作最有把握的猜测，意思是“一定”，结合语境可知，我没有打电话给你，因此猜测一定有别人给你打了电话。故选A项。
9．Lack of sleep _______ lead to weakened immunity and memory, and also slow physical growth.
A．shallB．mustC．shouldD．can
【答案】D
【解析】
【详解】
考查情态动词辨析。句意：睡眠不足会导致免疫力和记忆力下降，还会减缓身体发育。A. shall将；B. must必须；C. should应该；D. can会，表示理论上或是逻辑判断上，用can，故选D。
(完整版)情态动词专项练习(含答案)
1. I promised to get there before 5 o’clock, but now the rain is pouring down. They ______ for me impatiently.A. may waitB. ought to waitC. could waitD. must be waiting2. He was very brave. Even though she’d hurt her leg, she ________ go back alone.A. couldB. mightC. have toD. was able to3. You ________ pay too much attention to your reading skill, as it is so important.A. cannotB. shouldC. mustD. needn’t4. I’ve tried several times, but the car just _______.A. doesn’t startB. wouldn’t startC. won’t startD. didn’t start5. Always the old lady ______ sit for hours doing nothing at all.A. was used toB. wouldC. used toD. should6. There used to be a small school,___________?A. was thereB. wasn’t itC. usedn’t thereD. usedn’t it7. Our house is on the top of the hill, so in summer the wind _____ be pretty cold.A. mustB. canC. ought toD. need8. Haven’t I told you that you __________ have the answer tomorrow morning?A. willB. shallC. shouldD. would9. I’m surprised that he _______ in the match.A. should failB. should have failedC. would have failedD. may have failed10. Better go to see my sick colleague right now, ________I?A. hadn’tB. didn’tC. don’tD. won’t11. Sir, you ______ be hunting deer here, for they are preserved by the government.A. oughtn’t toB. can’tC. won’tD. needn’t12. Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.A. mightB. shouldC. canD. will13. — There were already five people in the car, but they managed to take me as well.— It __________ a comfortable journey.A. can’tB. shouldn’t beC. must have beenD. couldn’t have been14. To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.A. canB. wouldC. mightD. should15. ____ three people who travel together, there _____ be at least one who ____ be my teacher.A. Between; can; willB. In; should; couldC. Among; will; mayD. Of; must; can16. —Could you lend me that book you ______ me about when I telephoned you?—No, I am sorry, I can’t. I gave it to a friend.A. were tellingB. would tellC. had toldD. had been telling17. —We need a person badly to think up such an idea.—_______ the new comer have a try?A. ShallB. MayC. ShouldD. Need18. We ________ so tired. We’ve only been to a party.A. mustn’t have feltB. wouldn’t have feltC. shouldn’t have feltD. couldn’t have felt19. Professor Smith, many students want to see you. __________ they wait here or outside?A. DoB. ShallC. WillD. Would20. —How about paying a visit to Mr. Richardson, our former history teacher?—Good idea. I will e-mail him today so he _____know _________ to expect us.A. shall; whyB. may; whenC. would; whyD. will; how21. —I went to work on foot yesterday, though it _________ cats and dogs.—You __________ by bus. It was likely to get a cold.A. is raining; must have goneB. rained; would goC. was mining; should have goneD. have rained; could have gone22. You ______ pay too much attention to your reading skill, as it is so important.A. cannotB. shouldC. mustD. needn’t23. I told Sally to fix him up with this job, but perhaps I _________ it out for her.A. had to writeB. must have writtenC. should have writtenD. ought to write24. My sister met him at the Grand Theatre yesterday afternoon, so he ________ your lecture.A. couldn’t have attendedB. needn’t have attendedC. mustn’t have attendedD. shouldn’t have attended25. Research findings show we spend about two hours dreaming every night, no matter what we ________ during the day.A. should have doneB. would have doneC. may have doneD. must have done26. —Is there any flight to Tokyo today?— I think there _____, for the weather is too bad.A. mustn’t beB. mightn’t beC. needn’t beD. can’t be27. —I’m told that John had another car accident this morning.— I believe not. He _____ so careless.A. shouldn’t have beenB. wouldn’t have beenC. couldn’t have beenD. mustn’t have been28. It was playing computer games that cost the boy a lot of time that he __________ doing his lessons.A. might have spentB. ought to have spentC. must have spentD. could have spent29. —I didn’t know you were good friends.—You _______. I have known her since she moved here. You were studying abroad then.A. may haveB. needn’t haveC. couldn’t haveD. must have30. They must have finished the work by the end of last month, __________?A. mustn’t theyB. haven’t theyC. hadn’t theyD. didn’t they31. —I didn’t see her yesterday.— Of course, you _____, because he had gone for a trip.A. can’tB. may not haveC. can’t haveD. mustn’t have32. You ________ phone him if you want to, but you _________. He is sure to phone you.A. may; mustn’tB. have to; needn’tC. can; doesn’t needD. can; needn’t33. — She must have gone back to the valley.— ______, she _____ have. The entrance to it was nowhere to be found.A. No; mustn’tB. Yes; mightC. Yes; couldD. No; couldn’t34. He _____ full marks, but he was so careless as to make a spelling mistake.A. must have gainedB. can have gainedC. could have gainedD. must gain35. From what you said, she _____ you about it.A. mustn’t have toldB. can’t have toldC. mustn’t tellD. can’t tell36. — You ought to have made an apology to Tom yesterday evening.— Yes, I know I _________.A. ought toB. have toC. should haveD. must have37. —Is there a fog in the evening?—There _______ be. I’ll make a phone call to find it out.A. mustB. wouldC. willD. might38. — _______ he help you with the problem?—Well, though it is very hard, __________ I’ll do what I can to work it out.A. Shall; butB. Can; andC. Must; howeverD. Will; still39. —How is that, Joan?—Yeah, it’s from the boss. She _________ first, whether she likes it.A. shall goB. ought to have goneC. should goD. must have gone40. —Would you like to watch the video, in which you can see foreigners making jiaoji during the Spring Festival?—Sure, it ______ be very interesting.A. shouldB. mayC. canD. will41. —The door was open.—It _________ open. I had locked it myself and the key was in my pocket.A. can not beB. must not beC. can not have beenD. must not have been42. —Where ________ Margaret have put the empty bottles?—She ________ them away. They must be somewhere.A. can; can’t have thrownB. must; needn’tC. must; must have thrownD. cant; must throw43. —Mum, I climbed to get the Teddy Bear from the top of the shelf.—My goodness! You _______ yourself. You ______ do that next time.A. must have hurt; mustn’tB. should have hurt; can’tC. may have hurt; mustn’tD. might have hurt; won’t be able to44. —Shall I go and buy more food and drinks for the party?—No, we have prepared a fridge of those. That _______ be quite enough.A. canB. mayC. mightD. ought to45. —Hurry up, Michael! It’s ten to three.—Goodness me! The class_______. I’ll be late again.A. must beginB. may beginC. should have begunD. must have begun46. When he was there, he ____ go to that coffee shop at the street comer after work every day.A. wouldB. shouldC. had betterD. might47. —I hear you have written a novel.—Yes, the book ________ be out in a month or so.A. canB. dareC. shouldD. need48. —How could I thank you enough?—Don’t mention it. Any other man _________ that.A. must doB. could doC. would have doneD. should have done49. —Why aren’t they here yet?—They ________ the bus.A. can have missedB. must be late forC. may have missedD. might be late for50. Mike _______ come to see me I don’t want to go out in case he comes.A. canB. mustC. mayD. will51. The thief ________ in from the kitchen window as the door was closed.A. may climbB. must have climbedC. could have climbedD. should have climbed52. —You didn’t invite Bill?— __________ him too?A. Must I inviteB. Must I have invitedC. Should I inviteD. Should I have invited53. —Why didn’t you attend the lecture yesterday?—I didn’t think that we _______ on Sundays.A. shouldB. ought to haveC. shouldn’t haveD. will have to54. It’s said that there are plenty of hotels in that town. There ______ be any difficulty for you to find somewhere to stay.A. wouldn’tB. mustn’tC. shouldn’tD. needn’t55. —Would you be here to attend the English party this evening?—Yes, we _________.A. shallB. wouldC. willD. must56. On Sundays when I was a child, Father and I _______ get up early and go fishing.A. couldB. wouldC. mightD. should57. —You’d better keep quiet in class.—Sometimes I ________ Yesterday, I was very quiet during my English class.A. wouldB. doC. didD. have58. I lived with my sister this summer and didn’t have to pay rent. So I ______ save most of my salary.A. couldB. wouldC. was able toD. should59. —Look, John’s fallen asleep.— Oh, he _______ too late last night.A. might sit upB. should have sat upC. could sit upD. must have sat up60. —I posted the letter a week ago.—Then they __________ the letter by now. It usually takes four days.A. can have receivedB. must receiveC. should receiveD. ought to have received61. He used to teach in that university and I _________ ride past it on my way to work.A. wouldB. couldC. shouldD. might62. —So you have to leave now.—Yes, I __________.—How nice it would be if you could stay a bit longer!A. have toB. ought toC. doD. have63. He _______ Shanghai, for I saw him talking with the headmaster a moment ago.A. must have gone toB. can’t have gone toC. mustn’t have been toD. can’t have been to64. From what I learn about their hotel, the service and the weather, they _____ their holiday very much.A. wouldn’t have enjoyedB. shouldn’t have enjoyedC. needn’t have enjoyedD. can’t have enjoyed65. It is not like Jack to be unfriendly, so he _________ you when you called.A. can’t have seenB. should not have seenC. must not have seenD. need not have seen66. —Many people in England love to give advice on weather reporting.—Yes, but I think the weather office’s computers _________ be more accurate.A. canB. mustC. ought toD. might67. —The farmers lived near the high way.—________ very noisy.A. It must have beenB. They must beC. That might beD. There must be68. She is too slow. She ________ pass the test, but she __________ too little.A. would; knewB. will; knowsC. would; knowsD. will; knew69. —Mary didn’t turn up last time, did she?—No. She_________. We had changed our plan.A. shouldn’t have comeB. needn’t have to comeC. didn’t need to comeD. needn’t have come70. —They haven’t finished the work up to now.—Well, they________.A. shouldB. should haveC. wouldD. must have71. —Shall I go and buy more fruit for the party?—No, I have already bought 3 baskets. That _________ be enough.A. canB. ought toC. mayD. might72. —Why hasn’t the speaker turned up?—He _________ the flight. I’ll find it out at once.A. must have missedB. might have missedC. would have missedD. could have missed73. I _______ pay Tom a visit, but I am not sure whether I will have time this Sunday.A. shouldB. mightC. wouldD. could74. —Who is the girl standing over there?— Well, if you _____ know, her name is Mabel.A. mayB. canC. mustD. shall75. It has been announced that candidates (考生)________ remain in their seats until all the papers have been collected.A. canB. willC. mayD. shall【答案解析】1．D。
英语情态动词专项练习(含答案和解析)含答案
英语情态动词专项练习(含答案和解析)含答案一、选择题1．Exercise is helpful but it ________ be regular (规律的) exercise.A．must B．may C．can D．need2．To my joy, we_________ go to the bank. Mary has lent us some money.A．shouldn’t B．needn’t C．couldn’t D．wouldn’t 3．—Could you tell me how to renew the library books?—With pleasure. You ________ come to our desk every time. It’s easier to renew them online. A．can’t B．mustn’t C．needn’t D．shouldn’t 4．— What do you think of the show yesterday?— Some of them were really good but others ________ be better.A．will B．must C．need D．can 5．—Who’s the man over there? Is that Mr. Black?—It ________ be him. Mr. Black is much taller than that man.A．may B．must C．can’t D．mustn’t6．—I don’t care what people think.—Well, you _______ . Some opinions are worth weighing.A．should B．might C．could D．would7．You ________ drive after drinking alcohol(酒). It’s against the law.A．mustn’t B．needn’t C．couldn’t D．wouldn’t 8．We teenagers ________ have dreams. With dreams and hard work, anything amazing________ be created.A．may; can B．might; should C．should; can D．must; has to 9．You ________ be careful with the camera. It costs!A．can B．will C．should D．may 10．—The high school entrance examination is coming!— Yes, our teacher tells us we ________ be too careful while taking exams.A．mustn’t B．shouldn’t C．needn’t D．can’t 11．—Will my car be ready by the end of the day?—It ________ be, sir. I’ll call if there’s any problem.A．must B．could C．shall D．should 12．Mr. Black ________ be at home now. He went abroad on vacation last Friday. A．can’t B．mustn’t C．needn’t D．shouldn’t 13．— Is Lang Lang going to perform at Art Center this Friday?— Yes. It ________ be him. He has been here for three days.A．might B．must C．mustn’t D．may 14．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should 15．You ________ write the report again because spelling mistakes are not allowed at all. A．must B．can C．may D．could16．—Where is Tom? I am considering ________ him about the result of the exam.—Oh. You ________. He has known it already.A．to tell; can't B．telling; needn't C．tell; mustn't D．told; shouldn't 17．— Mom, must I clean my room now?— No, you ________. You can do it after dinner.A．needn’t B．mustn’t C．shouldn’t D．can’t18．It’s amazing that the pen ________turn voice into text with few mistakes.A．can B．must C．may D．need19．—The high school entrance examination is coming!—Yes, our teacher tells us we _______ be too careful while taking exams．A．mustn't B．shouldn't C．needn't D．can't20．---Will you be back early this evening?---Yes, but I ________ be a little late. Our boss sometimes has extra work for us.A．may B．must C．need D．will21．We’ve discussed every detail of this plan and have got everything ready. But still something __________ go wrong. We still have to be very careful.A．must B．should C．would D．may 22．—Amy, I hear you've got many foreign coins．_______ I have a look?—Of course, I'll fetch them for you．A．May B．MustC．Should D．Need23．—Will your mother be at home this Saturday?—Hard to say. She _______go to the countryside to see my grandparents.A．must B．may C．can D．would 24．Don’t cross the road until the traffic lights turn green. A car_______hit you.A．need B．may C．should D．must25．We shouldn’t throw any objects from the building. Even a small object ________ cause serious injuries or death, when dropped from a great height.A．must B．should C．may D．need26．Never throw objects from the building. Even a small object ________ cause serious injuries, or death, when dropped from a great height.A．must B．should C．may D．need27．Hurry up, or we ________ miss the beginning of the film.A．should B．must C．may D．have to28．You ________ require others to do with the problem like you. Everyone has his own way. A．mustn’t B．needn’t C．may not D．shouldn’t29．—I must go to school today, ________?—No, you ________.You can go as soon as you get well.A．mustn’t I;needn’t B．needn’t I;needn’tC．mustn’t I;mustn’t D．needn’t I;mustn’t30．—How do you like my new dress?—Well, if I ________ say, it is not suitable for you.A．may B．must C．have to D．should31．— Excuse me, could you tell me where the Nanjing Brocade Museum is?—Go along this road for five minutes. You ________ miss it. It’s a huge building.A．mustn’t B．can’t C．needn’t D．shouldn’t 32．—Mum, why do I have to wear a mask before entering the supermarket?—For your health and safety, you ________ be too careful.A．shouldn’t B．can’t C．mustn’t D．needn’t 33．—What is that young lady’s job?—She ________ be a nurse, I’m not sure.A．must B．may C．need D．would34．You _________ smoke here! Look at the sign. It says "No smoking".A．needn't B．mustn't C．can D．may35．— Listen! Tom ________ be listening to the music while doing his homework.—Let’s go upstairs to remind him to turn it off.A．should B．could C．would D．must 36．—Must I finish all my homework today, Mum?—No, you ________, my dear. You can finish some tomorrow if you like.A．needn’t B．shouldn’t C．can’t D．mustn’t37．— The sandstorm in Beijing is so serious this year.— Yes, I wonder when we ________ worry about the air we breathe.A．can’t B．mustn’t C．needn’t D．shouldn’t 38．—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A．can B．may C．can’t D．shouldn’t39．To avoid ________, we’d better ________ the parents’ meeting online.A．gather; hold B．gathering; hold C．gather; holding D．to gather; to hold 40．Most young people like shopping online because they ________ spend much time going from shop to shop.A．needn’t B．can’t C．mustn’t D．shouldn’t 41．—In China, many parents complain that their children have to stay up late to do the homework.—Don’t worry. The government has realized the problem. I’m sure there ________ be good news soon.A．can B．should C．need D．must42．I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A．mustn’t B．don’t need C．needn’t D．can’t43．— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absent from school today.A．needn’t B．shouldn’t C．mustn’t D．can’t44．When people are waiting at the zebra crossing, cars and buses ________ wait and let them go first.A．must B．may C．can D．need 45．—Shall I tell him the change of the time right now?—I’m afraid you ________, otherwise he will be late for the meeting.A．can B．may C．must D．need46．— Will da d arrive home at 6 o’clock to have dinner with us this evening?— I think he will, but he ________ not. Sometimes he works extra hours.A．can B．must C．need D．may 47．—Seventy dollars for such a dress! You ________ be joking!—I’m serious. It’s made of silk from Hangzhou.A．must B．need C．will D．can48．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May 49．Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry. A．should B．would C．must D．can50．We've discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A．must B．should C．would D．may【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【详解】句意：锻炼是有帮助的但是它必须是有规律的锻炼。
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一、选择题1．—Can you come to my party on Saturday afternoon?—Sorry, I can’t. I ________ meet my friends.A．can’t B．might have to C．needn’t2．—I’d like ________ Guo Jingming’s Tiny Times.—You had better________ his books. The stories he tells are far from real life.A．buying, don’t read B．to buy, not readC．buying, not read D．to buy, not to read3．Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous. A．mustn’t B．ought not to C．needn’t D．don’t have to 4．— Do you think it is safe to shop online?— I think so. On Taobao, customers return goods with no questions asked，but they ______ pay delivery costs.A．can’t; can B．must; must C．can; have to D．mustn’t; can 5．―I didn’t pass the driving test again.―Don't worry. Just like the weat her, life be beautiful all the time.A．can't B．needn't C．shouldn't D．mustn't6．The designer has tried every possible way to make the robot light, so you _____ worry about its weight.A．must B．may C．can’t D．needn’t7．You look quite tired. You'd better ________ a good rest.A．stop to have B．stop having C．to stop to have D．to stop having 8．—Jenny, you _________ push your way onto the bus.—I’m really sorry about it.A．mustn’t B．needn’t C．may not9．—Tom, we’re going shopping at eight, right?—Yeah, but I ______ be a little late, so don’t wait for me.A．may B．should C．mustn’t10．—Must I finish my homework this evening?—No,you ________.You have a three﹣day holiday.A．won't B．mustn't C．needn't11．— I would like________ to see a movie.—It’s too late. You’d better ________alone.A．to go, go B．go, not go C．to go, not go D．going, go 12．—Must we finish the work right now?—No, you ________. You can do it tomorrow.A．needn’t B．shouldn’t C．mustn’t D．can’t13．—I feel tired.—You ________ go to bed so late.A．must B．shouldn’t C．should14．(2017·甘肃白银·10)—I wonder if these are Danny's glasses.—They________be Danny's. He doesn't wear glasses.A．can't B．must C．mustn't D．can15．-_________ you help me with my homework?-Of course if I __________.A．Could; could B．Can't; can C．Could; can D．Can; could16．---I heard they went skating in the mountains last winter.---It ______ true because there was little snow there.A．may not be B．won’t be C．couldn’t be D．will be 17．—The food ________be delicious . You ate it up .—You bet . My mum cooked it for me .A．must B．may C．can D．need18．–Is Mike coming to the fashion show tomorrow?--I’m not sure. He ______ not come.A．must B．can C．may D．should 19．—Must I sleep now? —No, you________.A．needn't B．mustn't C．can't D．may not 20．Even the top student can't work out this problem, so it________ be too difficult.A．must B．may C．can D．need21．I’m sorry, children over 1.4 meters________pay the full price for the show.A．may B．must C．can D．ought to 22．—Sorry, Ms Wang. I left my homework at home. Must I hand it in today?—No, you_______ . You_______ bring it here tomorrow.A．mustn’t; should B．needn’t; must C．mustn’t; may D．needn’t; can【参考答案】***试卷处理标记，请不要删除一、选择题1．B解析：B【解析】【分析】【详解】句意：——星期六下午你能来参加我的派对吗？——抱歉，我不能。
我可能不得不见我的朋友。
考查情态动词。
can’t 不能；might可能，have to不得不；needn’t不需要。
根据句意空格处必须是肯定的。
可知，此处表示“我可能不得不见朋友。
”所以去不了派对，故用might have to，故选B。
2．B解析：B【解析】【详解】句意：——我想买郭敬明的《小时代》。
——你最好不要读他的书。
他讲的故事与现实生活相去甚远。
考查非谓语动词及固定句型。
短语would like to do sth.愿意去做某事；第一空排除AC；You had better+动词原形，你最好做某事；You had better not+动词原形，你最好不要做某事。
第二空排除D。
根据题意，故选B。
3．A解析：A【解析】【分析】【详解】句意：看这个标志！上面写道“禁止吸烟！“你不能抽烟。
这是危险的。
mustn’t 禁止，不允许；ought not to不应该，不应当；needn’t不必；don’t have to不必。
根据“No Smoking!”可知此处禁止吸烟，所以选A。
4．C解析：C【解析】【详解】句意：——你认为网上购物安全么？——我觉得是的。
淘宝上，消费者可以无理由退货，但是他们要承担运费。
考查情态动词辨析。
A. can’t; can不能，能；B. must; must必须，必须；C. can; have to可以，不得不；D. mustn’t; can禁止，能。
根据句意表示的是顾客能退货，是可以，第一空用can；但是不得不承担运费，非主观情愿用have to。
故选C。
5．A解析：A【解析】【详解】句意：——我驾照考试又失败了。
——别担心。
就像天气一样，生活也不可能一直是美丽的。
考查情态动词。
can't不可能；needn't不必；shouldn't不应该；mustn't一定不能。
根据句意，应是不可能一直美丽。
故选A。
6．D解析：D【解析】【分析】【详解】句意：设计者已经尝试了所有可能的方法使机器变轻，所以你不必担心它的重量。
must必须；一定；may可以；可能；can’t不能；不可能；needn’t不必，没有必要。
根据句意The designer has tried every possible way to make the robot light可知，设计者在努力使机器变轻，所以担心是没有必要的。
故应选D。
7．A解析：A【解析】【详解】句意：你看起来相当累，你最好停下来好好休息。
短语stop doing sth.表示“停止做某事”；stop to do sth.表示“停下来去做某事”。
根据“You look quite tired.”可知下文是停下来去休息；You'd better+动词原形，表示“你最好做某事”；根据题意，故选A。
8．A解析：A【解析】【详解】句意：——Jenny，你一定不要挤上公共汽车。
——对此我真的很抱歉。
考查情态动词。
mustn’t禁止；needn’t不需要；may not可能不。
根据you ___ push your way onto the bus.结合常识，可知是一定禁止挤上公共汽车，应该用mustn’t，故答案选A。
9．A解析：A【解析】【详解】句意：——Tom，我们8点将会去购物，对么？——是的，但是我可能会晚一点，所以不要等我。