情态动词练习题
有关情态动词的专项练习题及答案
情态动词的专项练习题及答案有关情态动词的专项练习题及答案情态动词，本身有一定的.词义，表示语气的单词。
但是情态动词不能独立作谓语，只能和动词原形一起构成谓语。
接下来由小编给您带来情态动词的专项练习题及答案，希望对您有所帮助！情态动词的专项练习题及答案篇11．( )you tell me what’s happening over there ?A． Could B． May C． Might D． Shall2．( ) I have a word with the manager ,sir ?A． Will B． Would C． May D． Can3．— Something flying far away must be a hawk ．— No, it( ) be a hawk ．A．mustn’t B．mightn’t C．can’t D． might4． Man ( )reach the moon or any other star in the universe now, but we get there years ago ．A． can ；couldn’t B． are able to ；weren’t able toC． must ；needn’t D． can ； had to5． Grandfather ，( ) my sister come ?A． Will B． shall C． would D． could6．“ What I do for you ? ” means “( ) I help you ? ”A． can ， May B． shall ； Need C． can ； Can D． will ；Shall7．—Could I borrow your dictionary?—Yes， of course you ( )．A． Might B． will C． can D． should8．The fire spread through the hotel very quickly but everyone ( )get out．A． had to B． would C． could D． was able to9． The monitor must be in the reading－room， ( )?A．mustn’t B．doesn’t C．needn’t D．isn’t10．He hardly ( )say anything more，since you know all about it．A．don’t B．needn’t C． needs D． need11．You ( )to the meeting this afternoon if you have something important to do．A．needn’t to come B．don’t need comeC．don’t need coming D．needn’t come12．—May I pick a flower in the garden ? — ( )．A． No，you needn’t B． Not， pleaseC． No，you mustn’t D． No，you won’t13．—Helen， will you be at the party tonight ?—Yes， but I have so much homework to do that I really ( )．A．won’t B．can’t C．mustn’t D．shouldn’t14． If you listen to me， you ( ) have some candies,Deary ．A． shall B． May C． will D． must15． Peter ____ come with us tonight，but he isn’t very sure yet．A． May B． Can C． will D． must16．—Dare you go home at night ?—_________．A． Yes， I do B． No，I daren’tC． No，I don’t D． Yes， I dare so．17． When you go abroad， do you _____ take your passport ?A． have to B． ought to C． be able to D． need18．—You must phone us every week．—Yes， I _____．A． must B． have to C． will D． should19．—Your language teacher looks a rather kind woman．—But in fact she is cold and hard on us． You _____ believeA． should B．wouldn’t C．mustn’t D． might not．20． A wise man __ sometimes make a mistake．A． can B． may C． might D． must21．—Shall I tell John about it ?—No， you ( )．I’ve told him already．A．needn’t B．wouldn’t C．mustn’t D．shouldn’t22． Tom ought not to ( )me your secret，but he meant no harm．A． have told B． tell C． be telling D． having told23．—When can I come for the photos ? I need them tomorrow afternoon．—They ( )be ready by 12：00．A． Can B． should C． Might D． need24．Sorry I’m late． I ( )have turned off the alarm clock and gone back to sleep again．A． Might B． should C． Can D． will25．—Are you coming to Jeff’s party ?—I’m not sure． I ( )go to the concert instead．A． must B． should C． Would D． might参考答案：ACCAB CBCCD DDDCB AABAC AAAAB情态动词的专项练习题及答案篇21. Peter ________come with us tonight, but he isn’t very sure yet.A. mustB. canC. mayD. will2. — Could you borrow your dictionary?— Yes, of course you ________.A. mightB. willC. canD. should3. A computer ________think for itself, it must be told what toA. can’tB. couldn’tC. may notD. might not4. I didn’t hear the phone, I ________asleep.A. must beB. must have beenC. should beD. should have been5. There was plenty of time, she ________.A. mustn’t have hurriedB. couldn’t have hurriedC. must not hurryD. needn’t have hurried6. The plant is dead. I ________it more water.A. will giveB. would have givenC. must giveD. should have given7. Very loud noises ________make people ill, hurt their ears, or even drive them mad.A. mustB. needC. canD. should8. He asked me for the dictionary many times; please tell him that he ________have it tomorrow.A. mustB. needC. mayD. dare9. — Why is she still standing there?— She ________be waiting for her boyfriend.A. canB. mustC. dareD. need10. Two eyes________ see more than one.A. canB. mustC. mightD. shall11. What ________he mean? ________you tell me?A. can; MayB. can; CanC. may; MayD. must; Should12. How ________he say that his teacher was unfair?A. mustB. mightC. couldD. need13. It ________be very cold in this part.A. canB. oughtC. shallD. dare14. I’d like to ask a question if I ________.A. mustB. willC. mayD. might15. Even in summer the temperature ________suddenly drop below freezing.A. mightB. oughtC. mustD. need16. He decided to join the army so that he ________defend the country.A. may helpB. might helpC. helpsD. helped17. You ________always be talking like that.A. mightn’tB. mayn’tC. can’tD. mustn’t18. The car ________have broke doown just when we were about to start off.A. mustB. couldC. mightD. should19. You ________see him while he is in hospital.A. have betterB. had betterC. would ratherD. had to20. There is a fine sunset; it ________to be a fine day tomorrow.A. oughtB. shouldC. has toD. has better21. You are his father, you ________take care of him.A. mightB. oughtC. ought toD. are able to22. That’s all. It ________be talked about any more.A. needn’tB. mightn’tC. darn’t toD. needn’t to23. The question ________discussing.A. needsB. needC. can beD. must be24. He ________even look out of the window.A. daren’tB. daresn’tC. dared not toD. dares not25. I’m so hungry that I ________find something to eat.A. have toB. wouldC. mayD. can26. All the students ________do their best for the modernization of our country.A. canB. shouldC. mayD. might27. You ________be careful with your homework.A. mustB. have toC. mayD. are used to28. It is getting darker. You ________not go home.A. had betterB. have betterC. would ratherD. would like29. I ________what happened to our school.A. would like knowB. would like to knowC. would like knowingD. would like that I know30. — Would you mind my changing the plan?— ________.A. Oh, no, pleaseB. Yes, I mind notC. No, I wouldD. Yes, I will31. — It ________ be Jack who is in the library.—I’m sure it ________be him, I saw him off at the railway station just two days ago.A. can’t; can’t eB. must; mustn’tC. must; can’tD. can’t; mustn’t32. I ________tell her the truth about his marriage.A. can’t helpB. can’t butC. may not helpD. mustn’t but33. Since she is angry, we ________.A. had better to leave her alongB. should leave her aloneC. would rather to leave her aloneD. must leave her alone34. Look! What you’ve done to me. You ________more careful.A. maybeB. had toC. should have beenD. would be35. ________read the letter for you?A. Would you like meB. Do you want meC. Will you mind meD. Shall I36. He promised he ________not make such silly mistakes.A. wouldB. shouldC. mightD. could37. ________it be true that his father will go abroad?A. CanB. MayC. NeedD. Should38. Those streams are so small that they ________be shown in the maps.A. mustn’tB. may notC. can’tD. may39. — May I use your bike?— ________.A. No, you may notB. No, you mustn’tC. No, you won’tD. Sorry, I’m afraid not40. — Must I write to her?— No, you ________.A. mustn’tB. shouldn’tC. can’tD. don’t have to41. — Need I start tonight?— Yes, you ________.A. doB. needC. mustD. may42. The old man ________sit for hours watching the ships.A. wouldB. shouldC. was used toD. would rather to43. If the telephone ________ring, please wake me up.A. wouldB. shouldC. willD. might44. I wish they ________stop making remarks about me.A. wouldB. willC. shouldD. shall45. You’re thirsty, aren’t you? ________he get some coffee?A. DoesB. ShallC. WouldD. Let46. Which of the following is wrong?A. That may be true.B. That might be true.C. That can be true.D. That could be true.47. — Would you lend me some money?— Yes, I ________.A. wouldB. willC. canD. may48. He ________ swimming when he was young.A. was used to goB. got used to goC. used to goingD. used to go49. You say you ________ not do it, but I say you ________do it.A. will; shallB. shall; shallC. shall; willD. will; will50. You ________out yesterday without a coat. No wonder youcaught cold.A. should have goneB. shouldn’t have goneC. could not have goneD. might have gone51. He ________the 8:30 train because he didn’t leave home until 9:00.A. can’t catchB. couldn’t catchC. may notD. can’t have caught52. You ________us this because we had more than enough.A. needn’t bringB. needn’t have broughtC. mustn’t bringD. co uldn’t have brought53. — He learnt the language in three months.— He ________very hard.A. must workB. might have workedC. must have workedD. might work54. — Who told you my telephone number?—I don’t remember. It ________Mary.—It can’t be Mary, she doesn’t know it.A. may have beenB. can have beenC. must beD. can be55. You ________him, why didn’t you?A. ought to thankB. ought have thankedC. ought to have thankedD. ought thank56. I ________have arrived a little earlier, but my car broke down.A. shouldB. couldC. canD. can’t57. — ________we go out for a walk?—Great. Let’s goA. ShallB. WillC. MayD. Should58. Though she was seriously ill, she ________ complete the work in time.A. wouldB. was able toC. was possible toD. might59. — Would you like to play chess with me?— Yes, ________.A. I’dB. I wouldC. I’d likeD. I’d like to60. Tom is late. He ________the wrong bus.A. must takeB. must have takenC. might takeD. could take1—10. CCABD DCCBA 11—20. BCACA BDDBA 21—30. CAAAA BAABA 31—40. CBBCD AACDD 41—50. CABAB CBDAB 51—60. DBCAC BABDB。
五年级英语情态动词练习40题
五年级英语情态动词练习40题1. We ______ play football in the street. It's dangerous.A. canB. mustC. mustn'tD. can't答案：C解析：“mustn't”表示“禁止，不许”，在街上踢足球很危险，所以禁止在街上踢足球，故选C。
2. You ______ be quiet in the library.A. canB. shouldC. mustD. may答案：C解析：在图书馆必须保持安静，“must”表示“必须”，故选C。
3. She ______ speak English very well.A. canB. mayC. mustD. should答案：A解析：“can”表示“能够”，她能够把英语说得很好，故选A。
4. We ______ listen to the teacher carefully in class.A. canB. mustC. mayD. should答案：B解析：在课堂上我们必须认真听老师讲课，“must”有“必须”的意思，故选B。
5. They ______ finish their homework on time.A. canB. mustC. mayD. should答案：B解析：“must”表示“必须”，他们必须按时完成作业，故选B。
6. We ______ play football yesterday because it rained. （）A. couldB. couldn'tC. canD. can't答案：B解析：yesterday 表明是一般过去时，根据“because it rained”可知因为下雨不能踢足球，could 是can 的过去式，couldn't 表示“不能”，故选B。
7. She ______ swim when she was five years old. （）A. couldB. canC. couldn'tD. can't答案：A解析：“when she was five years old”是一般过去时，could 表示过去的能力“能，会”，故选A。
【英语】情态动词练习题含答案及解析
【英语】情态动词练习题含答案及解析一、单项选择情态动词1．—Can I pay the bill by check?—Sorry，sir．But it is the management rules of our hotel that payment _____ be made in cash．A．shall B．needC．will D．can【答案】A【解析】【详解】考察情态动词用法。
句意：——我能用支票付账吗?——对不起,先生。
但这是我们酒店的管理规定,支付要用现金。
shall可以表示命令，警告，强制，或者指规则和法律要求做的事情。
本题正是考察了shall表示按照规则和法律要求做的事情。
故A正确。
2．You _____ be right but I’m going back to check anyway.A．should B．must C．need D．might【答案】D【解析】【详解】考查情态动词。
句意：你或许是对的，但我还是要回去核对一下。
A. should应该；B. must 一定，必须；C. need需要；D. might或许。
本题主要考查情态动词表示推测的用法，由I’m going back to check anyway可知，我对此不确定。
由此可知，D项符合题意。
故选D项。
【点睛】can / could用于表推测的用法(1) 从使用句型上看，can 通常只用于否定句或疑问句，一般不用于肯定句，而could 可用于肯定句、否定句和疑问句。
两者没有时间上的差别，只是could 比 can 更委婉，更不确定。
(2) 从时间关系看，对现在或将来情况作推测，后接动词原形；对正在进行的情况作推测，后接 be doing 结构；对过去情况作推测，后接动词完成式。
二、 may / might用于表推测的用法表示推测，两者都可用，只是 might 比 may 语气更不确定，表示的可能性更小。
英语情态动词练习题20篇
英语情态动词练习题20篇一、单项选择情态动词1．—It’s so hot and uncomfortable here! Why are your windows still closed?—Oh, I’m not to blame. They ________ open.A．XXX’t【答案】C【解析】【详解】考查情态动词辨析。
句意：---这里又热又不舒服！你的窗户怎么还关着？---哦，不该责备我啊。
窗户打不开了。
XXX not意为“不可,不应”；mustn’t=must not意为“不要”；XXX not 意为“不会，不愿意”。
XXX not意为“不会,不能”，will在这里表示能力、功能。
例如：XXX.这个礼堂能容纳一千人。
这句话意思是“这扇窗不能打开”，故选C项。
B．XXX’t2．—________ the woman with the baby come over? We have a seat here.—Thank you, XXX I do have my seat here. But my baby likes to look out of the window.A．WouldC．Must【答案】A【解析】【详解】考查情态动词。
句意：——那位抱小孩的女士，要不来这边吧?这儿有个坐位。
——谢谢，实践上我有坐位的，只是我的孩子喜爱看窗外。
XXX表示婉转的恳求，征求对方的看法，XXX提问一般只用于第一人称，我们常说Shall I.或者XXX；may表示恳求对方允许。
应选A。
【点睛】would的用法1.would最常见的用法是：相对于一个过去时间点的后来“将要”做什么，比如：He said XXX.他说他会在车站接我的。
这句中的would meet是相对于said（过去说）之后要做的事情。
又如：XXX she would have to ask someone for help.她当时想，她得找个人帮忙。
情态动词练习题及答案
情态动词练习题及答案情态动词练习题及答案情态动词是英语中的一类特殊动词，它们用来表示说话人对某种动作或状态的态度、能力、推测等。
掌握情态动词的用法对于学习英语非常重要。
下面是一些情态动词的练习题及答案，希望对大家的学习有所帮助。
练习题一：根据句意，选择正确的情态动词填空。
1. I ________ swim when I was five years old.a) must b) could c) might2. You ________ eat so much junk food. It's bad for your health.a) mustn't b) shouldn't c) can't3. He ________ be at home. His car is in the driveway.a) must b) can't c) may4. ________ I borrow your pen, please?a) May b) Should c) Will5. She ________ go to the party tonight because she has to study for the exam.a) can't b) shouldn't c) might答案：1. b) could2. b) shouldn't3. a) must4. a) May5. b) shouldn't练习题二：根据句意，选择正确的情态动词填空。
1. You ________ take an umbrella. It looks like it's going to rain.a) could b) should c) must2. He ________ be very tired. He worked all day.a) might b) can c) must3. ________ I help you with your homework?a) Should b) Will c) May4. They ________ be lost. They are not familiar with this area.a) can't b) shouldn't c) may5. She ________ have passed the test. She studied very hard.a) can't b) should c) might答案：1. b) should2. c) must3. c) May4. c) may5. c) might练习题三：根据句意，选择正确的情态动词填空。
50道情态动词练习题
C.must not hurry D.needn't have hurried. D
A
13.The plant is dead. I_______it more water.
A.will give B.would have given C.must D.should have given
A. not B.don't C.not to D.doesn't A
35.----Will your brother stay here tonight?
----I'm not sure. He____shopping tonight.
A.must go B.can go C.may go D.may going
11.----Shall I tell John about it?
----No, you _______. I've told him already.
A.needn't B.wouldn't C.mustn't D.shouldn't
12.There was plenty of time. She_______.
A.must have studied B.might study
C.should have studied D.would study C10.Applicants(申请者)_______have finished the middle school.
A.must B.can C.may D.willA
A.dare not to say B.didn't dare saying
情态动词练习题带答案
情态动词练习题带答案一、单项选择情态动词1．—CanIpaythebillbycheck—Sorry，ir．Butitithemanagementruleofourhotelthatpayment_____bemadeincah．A．hallB．needC．willD．can【答案】A【解析】【详解】考察情态动词用法。
句意：——我能用支票付账吗——对不起,先生。
但这是我们酒店的管理规定,支付要用现金。
hall可以表示命令，警告，强制，或者指规则和法律要求做的事情。
本题正是考察了hall表示按照规则和法律要求做的事情。
故A正确。
2．Mr.Baker,ometudentwanttoeeyou.______theywaithereoroutideA．MayB．ShouldC．ShallD．Will【答案】C【解析】【详解】考查Shall的用法。
句意：贝克先生，有些学生想见你。
他们是在这里等还是在外面等Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见或向对方请示。
故选C。
【点睛】Shall的用法Shall作为助动词，一般用于第一人称Ⅰ和We，表示一个将来的动作，构成将来时态。
Shall后面接动词原形。
例如：（1）IhallthinkitoverandLetyouknowmyidea.我将考虑一下此事，然后告诉你我的想法。
1.Shall用于第一人称，表示征求对方的意愿。
如：Whathallwedothievening2.Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见或向对方请示。
如：ShallwebeginourleonWhenhallhebeabletoleavethehopital3.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：Youhallfailifyoudon'tworkharder.（警告）HehallhavethebookwhenIfinihreading.（允诺）Hehallbepunihed.（威胁）3．---Hi,Johnon,anyideawhereSuaniA．canbeB．muthavebeenC．mighthavebeenD．houldbe【答案】D【解析】考查情态动词的用法。
情态动词练习题带答案
情态动词练习题带答案一、单项选择情态动词1．—_______ you disturb me now? I’m busy preparing a report.— Terribly sorry, but I have something urgent to tell you.A．Need B．Should C．Might D．Must【答案】D【解析】【详解】考查情态动词特殊用法。
句意：—你非要现在打扰我吗？我正在准备一份报告。
—真对不起，但是我怕有紧急事情告诉你。
A. Need需要；B. Should 应该；C. Might也许；D. Must 必须；一定；偏偏，非得；根据语境可知must表示“偏偏，非得”符合上下文语境，用来指责对方。
故D项正确。
2．Mr. Baker, some students want to see you. ______ they wait here or outside?A．May B．Should C．Shall D．Will【答案】C【解析】【详解】考查Shall的用法。
句意：贝克先生，有些学生想见你。
他们是在这里等还是在外面等?Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见或向对方请示。
故选C。
【点睛】Shall的用法Shall作为助动词，一般用于第一人称Ⅰ和We，表示一个将来的动作，构成将来时态。
Shall后面接动词原形。
例如：（1）I shall think it over and Let you know my idea.我将考虑一下此事，然后告诉你我的想法。
（2）We shall have a good time in the park.我们在公园里会玩得很高兴的。
常考的特殊用法1. Shall用于第一人称，表示征求对方的意愿。
如：What shall we do this evening?2. Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见或向对方请示。
情态动词练习题及答案
情态动词练习题及答案1. 你的朋友不会游泳，你告诉他不要跳进深水区。
- 你不能跳进深水区，因为你________游泳。
- 答案：不会2. 老师要求学生必须完成作业。
- 老师告诉我们，我们________完成作业。
- 答案：必须3. 你的朋友问你是否可以借用你的自行车。
- 我可以借用你的自行车吗？- 答案：可以4. 医生建议病人应该每天服用两次药。
- 医生建议病人________每天服用两次药。
- 答案：应该5. 你告诉朋友，你可能会迟到。
- 我可能会迟到。
- 答案：可能6. 你告诉朋友，你不可能完成这个任务。
- 我________完成这个任务。
- 答案：不可能7. 你的朋友问你，他是否需要带伞。
- 你需要带伞吗？- 答案：需要8. 你告诉朋友，你或许会参加晚会。
- 我或许会参加晚会。
- 答案：或许9. 你的朋友问你，他是否应该接受这个工作。
- 你应该接受这个工作吗？- 答案：应该10. 你告诉朋友，你不得不去开会。
- 我________去开会。
- 答案：不得不11. 你的朋友问你，他是否可以明天再交报告。
- 我可以明天再交报告吗？- 答案：可以12. 你告诉朋友，你可能会去度假。
- 我可能会去度假。
- 答案：可能13. 你的朋友问你，他是否应该学习英语。
- 你应该学习英语吗？- 答案：应该14. 你告诉朋友，你不可能在一天内完成这个项目。
- 我________在一天内完成这个项目。
- 答案：不可能15. 你的朋友问你，他是否需要帮忙。
- 你需要帮忙吗？- 答案：需要答案1. 不会2. 必须3. 可以4. 应该5. 可能6. 不可能7. 需要8. 或许9. 应该10. 不得不11. 可以12. 可能13. 应该14. 不可能15. 需要通过这些练习题，学习者可以更好地理解和使用情态动词。
情态动词的使用在英语中非常广泛，掌握它们对于提高英语水平至关重要。
情态动词专项练习题
情态动词专项练习题一、情态动词单项选择题1．He’s ________ his purse, but he can’t ________ it.A．look, find B．looking for, find C．finding, look for D．finding, looking for 【答案】B【解析】【详解】句意：他正在寻找他的钱包，但是他找不到。
考查词义辨析。
look看起来；find找到，强调找的结果；look for寻找，强调找的过程。
找钱包是一个过程，找到是一个结果，所以排除ACD选项，故选B。
2．—________ I come in, sir?—Yes, please.A．Need B．May C．Might D．Must【答案】B【解析】【详解】句意：——先生，我可以进来吗？——可以，请进。
考查情态动词辨析。
Need需要；May可以；Might也许；Must必须。
根据答句“Yes, please.”可知，对方同意我进来，所以此处使用may表示请求允许。
故选B。
3．—Must I park my car behind the building?—No, you _________. You _________ park it there.A．mustn’t; may B．shouldn’t; must C．don’t have to; may【答案】C【解析】【详解】句意：——我必须把车停在大楼后面吗？——不，你不必。
你可以把车停在那儿。
考查情态动词。
mustn’t禁止；may可以；shouldn’t不该；must必须；don’t have to不必。
以“Must”开头的一般疑问句，否定回答中用don’t have to，第二空表示可以停在那儿，用may。
故选C。
4．The air is very dirty now. We must _________.A．stop to pollute it B．stop pollution itC．stop polluting it D．stopping polluting it【答案】C【解析】【详解】句意：现在空气很脏。
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情态动词练习题（附答案）1. Jean ___have kept his promise.I wonder why he changed his idea.A.mustB.shouldC. needD.would2.---Could I use your bike?----Yes,surely you___.A.mightB.willC.canD.should3.It’s nearly eight o’ clock.Bruce___be here at any momentA.mustB.needC.shouldD.can4.Tommy,you___play with the knife,you___get hurt.A.won’t;can’tB.mustn’t;mayC.shouldn’t;mustD.can’t;shouldn’t5.When he was there,he___go to that coffee shop at the corner after work every day.A.wouldB.shouldC.had betterD.might6.---When can you get the film developed?I need it tomorrow morning.----It ___be ready by 8;00.A.canB. shouldC.mightD.need7.---Will you stay for another hour?-----Sorry,___.One of my best friends is coming to see me.A.I mustn’tB.I can’tC.I needn’tD.I won’t8.Jason shouldn’t___me your secret,but he meant no harm.A.have toldB.tellC.be tellingD.having told9.---Are you coming for dinner?----I’m not quite sure.I___go to my uncle’s instead.A.mustB.wouldC.shouldD.might10.---Don’t forget to visit me when you come to Beijing.------___.A.I don’tB.I won’tC.I can’tD.I haven’t11.He ought___have done so even though possible.A.not toB.to notC.notD.never12.Jane___have come to the party,but she ___not find the exact time.A.could;couldB.might;couldC.should;couldD.should;would13.So many mistakes in your homework!You___more careful.A.may beB.had toC.would beD.should have been14.Her brother___be at home now,because he was seen playing basketball in the stadium just now.A.mustn’tB.needn’tC.can’tD.shouldn’t15.---I can’t understand why our boss is late.------He___the early bus.A.could missB.may have missedC.can have missedD.might miss16.There was plenty of time.We___.A.mustn’t have hurriedB.couldn’t have hurriedC.mustn’t hurryD.needn’t have hurried17.he was so good a swimmer that he___swim to the river bank when the boat sank.A.couldB.mightC.canD.was able to18.You___go there if you don’t want to.A.can’tB.needn’tC.haven’tD.mustn’t19.I have been writing the report for 3 hours.I ___it half an hour ago.A.ought finishB.ought to finishC.ought have finishedD.ought to have finished20.The Browns went to the country for two weekends as they___to the office on Sunday.A.needn’t have goneB.mustn’t goC.mayn’t goD.didn’t have to go21.Nancy___out alone at night.A.dare not to goB.dares not goC.doesn’t dare to goD.doesn’t dares go22.Don’t believe him.What he said___be true.A.mustn’tB.needn’tC.shouldn’tD.may not23.---I go home now,sir?------No,you___.You should finish the composition first.A.Might;wouldn’tB.May;had better notC.Must;mustn’tD.Need;mustn’t24.---Jack be here now?------He___be here,but I’m not too sure.A.Can;mayB.Must;needn’tC.May;mustn’tD.Can;can’t25.One ought___for what one hasn’t done.A.not be punishedB.not to be punishedC.to not punishedD. to not be punished26.I didn’t hear the bell ring.I___asleep.A.must beB.must have beenC.should beD.should have been27.Powell___yet,otherwise he would have telephoned me.A.mustn’t have arrivedB.shouldn’t have arrivedC.can’t have arrivedD.need not have arrived28.---There were already five people in the car,but they still managed to give me a lift. -----It___a comfortable trip.A.can’t beB.shouldn’t beC.mustn’t have beenD.couldn’t have been29.We needn’t____preparations for the meeti ng.Mr.Zhang called it off.A.have madeB.makeC.to makeD.making30.It’s strange that they___without saying goodbye to us.A.must have leftB.should have leftC.can have leftD.may have left31.The doctor did all he could in order that he___save the child’s life.A.mustB.mightC.had toD.was able to32.Petty ___you help,even if she was very busy.A.might have givenB.might giveC.may have givenD.may give33.Brue ___go to school today,for he has had a bad cold.A.needn’tB.shouldC.mayD.can’t34.----Must I clean the room now?------No, you ___.A.mustn’tB.needn’tC.can’tD.may not35.---Little Lily didn’t come to the party yesterday.-----I___her last night, but I was too busy.A.should telephoneB.had to telephoneC.should have telephonedD.ought to telephone答案：1---5 BCCBA 6---10 BBADB 11---15 AADCB 16---20 DDBDD 21---25 CDBAB 26---30 BCDAB 31---35 BADBC。