高考英语专题情态动词知识点真题汇编及答案
高考英语情态动词知识点真题汇编含解析(1)
高考英语情态动词知识点真题汇编含解析(1)一、选择题1．—Life ____ be very hard for people living in the north of Canada as it is very cold there in winter.—Yes, the weather there _____ be as low as 60℃ below zero.A．must; can B．shall; must C．will; should D．has to; can 2．—What do you think of your boss?—He is easy-going most of the time, but sometimes he ________ be hard on us.A．should B．might C．can D．must3．His opinion was shared by Chinese director Feng Xiaogang.“Some young actors are feminine （女性化的） and they _____ be more manl y,” he said during the Shanghai International Film Festival in June 2017.A．can B．must C．may D．should 4．Home is not just the place where you grow up. It ________ be a warm smile, a sincere hug, and a shoulder for you to cry on.A．must B．can C．will D．should5．-Jenny took the 8：00 bus to Guangzhou this morning.-Really? He＿＿the 9:00 train. It's much more comfortable and safer to travel by train. A．could have taken B．should takeC．must have taken D．can take6．No student ______go out of school after eleven o’clock at night without the teacher’s permission.A．will B．must C．may D．shall7．My computer ________ start this morning. There must have been something wrong with it. A．wouldn’t B．shouldn’t C．couldn’t D．mustn’t8．You ______ have carried all these parcels yourself. The shop would have delivered them if you had asked them.A．may not B．needn't C．can't D．mustn't9．I didn’t hear the phone. I ___ asleep.A．must be B．must have beenC．should be D．should have been10．—I heard they went skiing in the mountains last winter.—It true because there was little snow there.A．may be not B．won’t be C．couldn’t be D．mustn’t be 11．Peter searched all the places where he________have left her iPad but it was all in vain. A．might B．would C．must D．should 12．What a pity! Considering his ability and experience, he ___________ it better.A．need have done B．must have doneC．can have done D．might have done13．—Is Robert coming by coach?—He should, but he ___________ not. He likes driving his car.A．may B．could C．need D．must14．He did not regret saying what he did but felt that he _________ it differently.A．could express B．would expressC．could have expressed D．must have expressed15．Although you ______ find bargains in London, it’s not generally a cheap place to shop. A．should B．need C．must D．can16．You don’t look well, you __________ see the doctor.A．ought to B．mayC．can D．might17．(2018·天津) I can't find my purse. I___________ it in the supermarket yesterday, but I'm not sure.A．should leave B．must have leftC．might leave D．could have left18．(2018·北京) In today’s information age, the loss of data _________ cause serious problems for a company.A．need B．shouldC．can D．must19．The weather turned out to be fine yesterday. I ____________ the trouble to carry my umbrella with me.A．should have taken B．could have takenC．needn’t have taken D．mustn’t have taken20．—Do you know where David is? I couldn’t find him anywhere.— Well. He ________ have gone far — his coat is still here.A．shouldn’t B．mustn’t C．can’t D．wouldn’t21．------ Tom is never late for work. Why is he absent today?------ Something _________ to him.A．must happen B．should have happenedC．could have happened D．must have happened22．The lady ________ have done something wrong, because she is looking guilty.A．would B．should C．can D．must23．I _________ my driving test but I didn’t operate carefully.A．should pass B．may passC．might have passed D．might pass24．Word that you _________ enjoy a three-day holiday has come if you do complete the task on time.A．may B．should C．could D．shall25．Skills like critical thinking and analysis ________ be found on the Internet, because they must be acquired in the context of facts.A．can’t B．needn’t C．mustn’t D．shouldn’t【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【解析】【详解】考查情态动词。
【英语】高考英语情态动词真题汇编(含答案)及解析
（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?
8．—You rang me up at about 10:00 last night, didn't you?
—No, I didn't phone you. Itsomeone else.
A．must have beenB．could beC．must beD．could have been
【答案】A
【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：
11．—Sorry, Mum! I failed the job interview again.
—Oh, it's too bad. You________ have made full preparations.
A．mustB．canC．wouldD．should
【答案】D
【解析】
【详解】
考查情态动词+have done结构。句意：—对不起，妈妈，我面试又失败了。—噢，那太糟糕了，你应该做好充分准备的。A.must必须；B.can可以；C.would将会；D.should应该。这里是情态+have done的结构的虚拟语气，can+have+done”表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”；could+have+done，表示对过去事情的假设，意思是本来能够做某事而没有做；must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句；should+have+done意思是“本来应该做某事，而实际没做”。故选D
高考英语专题情态动词知识点真题汇编含解析
高考英语专题情态动词知识点真题汇编含解析一、选择题1．He didn’t follow the doctor’s suggestions as required, but he _________.A．ought B．ought to C．ought to be D．ought to have 2．——I called you last night, but no one answered.——Sorry, I____________ sleeping.A．need have been B．would have been C．must have been D．should have been 3．Home is not just the place where you grow up. It ________ be a warm smile, a sincere hug, and a shoulder for you to cry on.A．must B．can C．will D．should4．You ________ give me a lift. I want to walk home for exercise.A．needn’t B．couldn’t C．can’t D．mustn’t5．-Jenny took the 8：00 bus to Guangzhou this morning.-Really? He＿＿the 9:00 train. It's much more comfortable and safer to travel by train. A．could have taken B．should takeC．must have taken D．can take6．--Is Jack still in hospital?--Yes. He _________ the bad food.A．wouldn’t eat B．shouldn’t eatC．wouldn’t have eaten D．shouldn’t have eaten7．–Will you read me a story, Mummy?--OK. You ______have one if you go to bed as soon as possible.A．might B．must C．could D．shall8．You ___________ a better mark, but you didn’t work hard.A．could have had B．would have had C．must have had D．must have9．You don’t look well, you __________ see the doctor.A．ought to B．mayC．can D．might10．Sir, you ____ be sitting in this waiting room. It is for women and children only. A．shouldn’t B．will C．won’t D．needn’t 11．Mary is a bit shy and ____ a speech in public, which makes her lose the precious chance to do the voluntary job.A．dares not make B．doesn’t dare makeC．dare not to make D．dares not to make12．—I can’t think why he________ so angry. I mean no harm.—It’s typical of him to be sensitive(敏感的).A．should have been B．must have beenC．might have been D．can have been13．(2018·天津) I can't find my purse. I___________ it in the supermarket yesterday, but I'm not sure.A．should leave B．must have leftC．might leave D．could have left14．He did not regret saying what he did but felt that he _________ it differently.A．could express B．would expressC．could have expressed D．must have expressed15．Louis Cha (金庸) passed away. As for his achievement, there is such a comment, “He ______ the Nobel Prize for Literature with his written works translated into English.”A．could have been rewarded B．must have been rewardedC．should be rewarded D．need have been rewarded16．More and more countries have come to realize that the world____ do without Huawei and its "more advanced" technology.A．can’t B．needn’t C．mustn’t D．shouldn't 17．(2018·北京) In today’s information age, the loss of data _________ c ause serious problems for a company.A．need B．shouldC．can D．must18．—Do you know where David is? I couldn’t find him anywhere.— Well. He ________ have gone far — his coat is still here.A．shouldn’t B．mustn’t C．can’t D．wouldn’t 19．Tom told us that he ______ come to the party tonight, but he wasn’t sure about this.A．will B．would C．could D．might20．We lost our way in that small village, otherwise we ________more places of interest yesterday.A．visited B．had visitedC．would visit D．would have visited21．—Can I inform my best friends of the result?—No, I want to keep it a secret . You ____tell anyone.A．won't B．don't have to C．mustn't D．don't need to 22．He plays basketball very well. He_________ it a lot.A．may practise B．must practiseC．must have practised D．should have practiced23．The heavy rain may ______ the landslide last night.A．accounts for B．accounted forC．have accounted for D．accounting for24．Mr. White _______ to hospital for an examination yesterday but he was too busy to come. A．should come B．should have come C．should be coming D．should had come 25．—You look so tired. You________ late last night.—Yes. I had to to do an important report and stayed up till I completed it.A．should sleep B．must sleepC．should have slept D．must have slept【参考答案】***试卷处理标记，请不要删除一、选择题1．D解析：D【解析】【详解】考查情态动词。
高考英语新情态动词知识点真题汇编附答案解析(3)
高考英语新情态动词知识点真题汇编附答案解析(3)一、选择题1．You don’t look well, you __________ see the doctor.A．ought to B．mayC．can D．might2．Schools have been lengthening the school day to raise test marks, which ________ be costly if schools need air conditioning on hot days.A．might B．can C．dare D．need3．What a pity! Considering his ability and experience, he ___________ it better.A．need have done B．must have doneC．can have done D．might have done4．——I called you last night, but no one answered.——Sorry, I____________ sleeping.A．need have been B．would have been C．must have been D．should have been 5．You ______ feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.A．may B．can C．should D．would6．His opinion was shared by Chi nese director Feng Xiaogang.“Some young actors are feminine （女性化的）and they _____ be more manly,” he said during the Shanghai International Film Festival in June 2017.A．can B．must C．may D．should7．For all of the diligent students here, I give you my promise: Work hard, and you ________ be rewarded!A．can B．need C．shall D．could8．She is shy and ________ the teacher’s question.A．dares not answer B．doesn’t dare to answerC．dare not to answer D．dares not to answer9．If you behave well from now on, you ___ have an Apple Watch for your 18th birthday. A．will B．shall C．can D．must10．You ________ give me a lift. I want to walk home for exercise.A．needn’t B．couldn’t C．can’t D．mustn’t11．—I heard they went skiing in the mountains last winter.—It true because there was little snow there.A．may be not B．won’t be C．couldn’t be D．mustn’t be12．I can’t thank you more, Tony. But for your timely warning, I into great trouble yesterday. A．had got B．got C．would have got D．would get 13．Although you ______ find bargains in London, it’s not generally a cheap place to shop. A．should B．need C．must D．can 14．—Sorry, Mum! I failed the job interview again.—Oh, it's too bad. You________ have made full preparations.A．must B．can C．would D．should15．(2018·天津) I can't find my purse. I___________ it in the supermarket yesterday, but I'm not sure.A．should leave B．must have leftC．might leave D．could have left16．AI will surely be a feature of future life, but it _____ be used responsibly and in a proper way. A．can B．need C．must D．will17．—I’m sorry, I ________ have been so rude to you that way.—Forget it, but I was a bit out of control yesterday.A．mustn’t B．shouldn’tC．couldn’t D．needn’t18．One of our rules is that every student _______ wear school uniform while at school. A．might B．couldC．shall D．will19．------ Tom is never late for work. Why is he absent today?------ Something _________ to him.A．must happen B．should have happenedC．could have happened D．must have happened20．Tom told us that he ______ come to the party tonight, but he wasn’t sure about this.A．will B．would C．could D．might 21．Although passing the driving test ________ be difficult now, it’s worth the efforts.A．need B．shallC．can D．should22．—Can I inform my best friends of the result?—No, I want to keep it a secret . You ____tell anyone.A．won't B．don't have to C．mustn't D．don't need to 23．He plays basketball very well. He_________ it a lot.A．may practise B．must practiseC．must have practised D．should have practiced24．—Do you know where Tony is?—He _________ in the living room. I saw him there just now.A．shall be B．should have been C．might have been D．must be25．Skills like critical thinking and analysis ________ be found on the Internet, because they must be acquired in the context of facts.A．can’t B．needn’t C．mustn’t D．shouldn’t【参考答案】***试卷处理标记，请不要删除一、选择题1．A【解析】【分析】考查情态动词【详解】句意：你看起来不好，你应该去看看医生。
高考历年全国英语情态动词试题汇总及答案
高考历年全国英语情态动词试题汇总及答案一、单项选择情态动词1．—Tony _______ what I did annoying though he didn’t say anything.—So you think you will have to make an apology?A．could find B．should have foundC．might find D．must have found【答案】D【解析】【详解】考查情态动词+have done。
句意：—Tony一定觉得我做的事很烦人，尽管他什么也没说。
—所以你认为你得道歉吗?。
由“what I did”可知，此处是对过去事情有把握的推测，must have done“一定是做某事了”。
故选D项。
【点睛】情态动词+ have done结构：1.“must + have + 过去分词”表示对过去发生的事情或状态进行推测,语气比较坚定,通常只用于肯定句.如：It must have rained last night,for the ground is wet.2.“can / could + have + 过去分词”表示对过去某种情况的怀疑或不确定.can和could一般用于否定句和疑问句,could的语气较can弱.如：He can't have finished the work so soon.3.“may / might + have + 过去分词”表示对已发生的动作或存在的状态进行不肯定的推测,might的语气比may弱一点.这种结构主要用于肯定句和否定句,疑问句改用can或could.如：They may not have known it beforehand.4.“need + have + 过去分词”表示过去做了不必做或不需要做的事情,或过去做某事纯属多余.如：I needn't have bought so much wine—only five people came.5.“should / ought to + have + 过去分词”表示过去本该做某事但没做,其否定式表示过去不该做某事但做了,这种句式含有不满或责备之意,ought to的语气比should强一些.如：You ought to / should have studied harder.你本应该更努力学习的.（但没有）He oughtn't to / shouldn't have done that.他本来就不该做那件事.（可是做了）6.“would ＋ have ＋过去分词”表示对过去的某种情况进行猜测,或本来要做某事却因某种原因未做成,通常用来说明某一情况,但不像用should或ought to那样含有责备之意.如：I guess the poet would have been about twenty when she wrote her first poem.Another worker wouldn't have acted like that.分析句子可知，由“what I did”可知，此处是对过去事情有把握的推测，must have done“一定是做某事了”。
高考英语情态动词真题汇编(含答案)含解析
【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。
6．My sister met him in the street yesterday afternoon, so he ______ your lecture.
(1)表示意志或意愿：决心，愿意，……好吗?
We will do our best to save the child.我们会尽力抢救这个孩子。
I told her to stop crying, but she just wouldn’t listen.我叫她别哭，可她就是不愿听。
注：表示请求、建议或征求对方意见时，用Would you…?比用Will you…?更婉转。如：
(5)表示功能：能。如：
This auditorium will/would seat one thousand people.这个礼堂能容纳一千人
分析句子可知，本句中的will表示习惯，意思为“惯于，总是”且符合语境。故D选项正确。
2．We’ll mຫໍສະໝຸດ ke the final decision on our scheme. ______ you change your mind, please inform us as soon as possible.
【解析】
【详解】
考查情态动词辨析。句意：——妈妈，小雷又弄坏了他的玩具。——没事的，你看，意外总会发生。A. shall将要，会；B. should应当；C. must必须；D. will总是。Will可以表示习惯，意思为“惯于，总是”。故D选项正确。
高考英语最新情态动词知识点真题汇编及答案
高考英语最新情态动词知识点真题汇编及答案一、选择题1．—I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.—Oh, it ________ my younger sister. She was in my room at that moment.A．must have been B．should have beenC．could have been D．may have been2．You ________ give me a lift. I want to walk home for exercise.A．needn’t B．couldn’t C．can’t D．mustn’t 3．According to the regulations, anyone who has the intention to be a teacher _______ pass a series of demanding tests.A．can B．would C．might D．shall4．-Jenny took the 8：00 bus to Guangzhou this morning.-Really? He＿＿the 9:00 train. It's much more comfortable and safer to travel by train. A．could have taken B．should takeC．must have taken D．can take5．No student ______go out of school after eleven o’clock at night without the teacher’s permission.A．will B．must C．may D．shall6．My computer ________ start this morning. There must have been something wrong with it. A．wouldn’t B．shouldn’t C．couldn’t D．mustn’t 7．You ________ be Carol. You haven’t changed a bit a fter all these years.A．must B．can C．will D．shall8．I didn’t hear the phone. I ___ asleep.A．must be B．must have beenC．should be D．should have been9．I ______my examination easily but I made too many stupid mistakes.A．should pass B．could have passedC．had passed D．must have passed10．—Isn’t that Ann’s husband over there?— No, it ________ be him —I’m sure he doesn’t wear glasses.A．must not B．can’t C．won’t D．may not 11．Skills like critical thinking and analysis ________ be found on the Internet, because they must be acquired in the context of facts.A．can’t B．needn’t C．mustn’t D．shouldn’t 12．She is shy and ________ the teacher’s question.A．dares not answer B．doesn’t dare to answerC．dare not to answer D．dares not to answer13．Sir, you ____ be sitting in this waiting room. It is for women and children only. A．shouldn’t B．will C．won’t D．needn’t 14．—May I smoke here?—If you _______, choose a seat in the smoking section.A．must B．should C．may D．can15．—You look so tired. You________ late last night.—Yes. I had to to do an important report and stayed up till I completed it.A．should sleep B．must sleepC．should have slept D．must have slept16．Helen________ go on the trip with us, but she isn’t quite sure yet.A．shall B．may C．must D．can17．— Do you know where David is? I couldn’t find him anywhere.— Well. He ________ have gone far — his coat is still here.A．shouldn’t B．mustn’t C．can’t D．wouldn’t18．------ Tom is never late for work. Why is he absent today?------ Something _________ to him.A．must happen B．should have happenedC．could have happened D．must have happened19．You _________ me about it earlier, but you didn't.A．should have told B．would have toldC．must have told D．should tell20．Tom told us that he ______ come to the party tonight, but he wasn’t sure about this.A．will B．would C．could D．might 21．—Jane, why don’t you take a bite of the chocolate?—Well, I am on diet, if you __________know.A．must B．shall C．would D．could22．I____________ go to a summer camp during the summer vacation, but I am not sure. A．might B．can C．must D．need23．Word that you _________ enjoy a three-day holiday has come if you do complete the task on time.A．may B．should C．could D．shall24．You________have scolded him for his poor performance.After all,he had done his best. A．wo uldn’t B．couldn’t C．mustn’t D．shouldn’t 25．—Is Robert coming by coach?—He should, but he ___________ not. He likes driving his car.A．may B．could C．need D．must【参考答案】***试卷处理标记，请不要删除一、选择题1．A解析：A【解析】【分析】【详解】考查情态动词。
高考英语情态动词真题汇编(含答案)及解析
高考英语情态动词真题汇编(含答案)及解析一、单项选择情态动词1．One of our rules is that every student _______ wear school uniform while at school. A．might B．couldC．shall D．will【答案】C【解析】【详解】考查情态动词辨析。
句意：我们其中一条规则要求每个学生在校期间都要穿校服。
shall可以表示“命令，警告，强制要求；允诺；法律，规定要做……”，结合句意可知C正确。
2．—Did you attend the meeting for the experiment project yesterday?—Yes, but I don’t think I ____ because my director was there.A．need to have B．need to C．needed to D．need have【答案】D【解析】【分析】【详解】考查情态动词+have done。
句意：——你昨天参加实验项目的会议了吗?——是的，但我想我（本来）不需要，因为我的主管在那里。
Think/suppose等宾语从句中如果有否定词时，要把从句的否定词not前移，即“否定前移”。
所以not是从句中的否定词。
“need have done”意为“本来有必要做而未做”；“needn’t have done”指过去本来没必要做而做了。
根据上一句时间状语“yesterday”可知本句指的是过去发生的事。
结合第二句“because my director was there(我的主管)在”可推断出，我本来不必要去。
故选D。
3．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。
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4．D
解析：D
【解析】
【详解】
考查情态动词。句意：根据规定，任何想当老师的人都必须通过一系列严格的考试。shall表示法律规定的义务或责任，故D项正确。
5．D
解析：D
【解析】
【分析】
【详解】
考查情态动词辨析。句意：句意：没有老师的允许，没有学生在晚上11点后可以出教室。A. will愿意；B. must必须；C. may也许；D. shall允诺。Shall可以用于第二，第三人称表示“规定，命令，警告，允诺”。根据句意可知，D项符合提议。故选D。
A．mayB．shouldC．couldD．shall
23．—Is there a holiday recently?
—There_____ be. It has been informed that we will continue to study for another three weeks.
A．could have been rewardedB．must have been rewarded
C．should be rewardedD．need have been rewarded
【参考答案】***试卷处理标记，请不要删除
一、选择题
1．C
解析：C
【解析】
【分析】
【详解】
考查情态动词。句意；她看起来很高兴。她一定通过了考试。must /could+ have done表示对过去发生的事情的推测，意为“一定/可能（已经）…”，本句中根据语境She looks very happy可判断，用must have passed语气较强，意为“一定是已经通过了（考试）”，故排除D项，选C。
高考英语专题情态动词知识点真题汇编及答案
一、选择题
1．She looks very happy. She_________ the exam.
A．can have passedB．should have passedC．must have passedD．could have passed
2．She is shy and ________ the teacher’s question.
A．dares not answerB．doesn’t dare to answer
C．dare not to answerD．dares not to answer
3．You ________ give me a lift. I want to walk home for exercise.
A．needn’tB．couldn’tC．can’tD．mustn’t
A．can’tB．needn’tC．mustn’tD．shouldn’t
10．Hurry up! Tom _______ for us at the gate.
A．must waitB．must be waiting
C．can be waitingD．must have waited
11．I still remember my happy childhood when my mother ___________ take me to Disneyland at weekends.
【点睛】
本题考查情态动词shall的用法。情态动词shall的用法是近几年的高考常考点，用于第一人称，表示提出建议，用第二人称表示警告，命令，允诺，用第三人称表示征求意见。做题时具体的结合句意做题。
6．B
解析：B
【解析】
【详解】
考查情态动词。句意：你本不必带这些包裹的，如果你要求的话，商店会送货上门的。A. may not可能不;B. needn’t不必；C. can’t不能，不可能；D. mustn’t不许。may not have done表示对去的推测，意为“过去可能不会…”, needn’t have done表示“本来没有必要做某事，但还是做了”, can’t have done意为“过去不可能…”, mustn’t意为“不许”，后接动词原形表示禁止某人做某事，不存在mustn’t have done.根据第二句话可判断出，如果你之前和商店提过要求寄送包裹，那么他们就送来了，这样你就没有必要自己带来了，但实际上你没有和商店说过，因此自己带来了。为了表达“本来没有必要做某事，但还是做了”，应使用needn't have done，有一定的责备意味，故选B。
A．mightB．must
C．wouldD．should
12．You ______ feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.
A．mayB．canC．shouldD．would
7．I didn’t hear the phone. I ___ asleep.
A．must beB．must have been
C．should beD．should have been
8．— Isn’t that Ann’s husband over there?
— No, it ________ be him — I’m sure he doesn’t wear glasses.
13．–Do you know where David is? He is not in the office.
–Well, he ______ have gone far—his coat is still here.
A．shouldn’tB．mustn’tC．can’tD．wouldn’t
14．You________have scolded him for his poor performance.After all,he had done his best.
A．won’tB．mustn’tC．may notD．can’t
24．It was so noisy that wehear ourselves speak.
A．couldn’tB．shouldn’t
C．mustn’tD．needn’t
25．Louis Cha (金庸) passed away. As for his achievement, there is such a comment, “He ______ the Nobel Prize for Literature with his written works translated into English.”
A．willB．mustC．mayD．shall
6．You ______ have carried all these parcels yourself. The shop would have delivered them if you had asked them.
A．may notB．needn'tC．can'tD．mustn't
A．wouldB．shouldC．canD．must
18．Tom told us that he ______ come to the party tonight, but he wasn’t sure about this.
A．willB．wouldC．couldD．might
19．Although passing the driving test ________ be difficult now, it’s worth the efforts.
【点睛】
本题考查情态动词完成式表推测。我们知道，表示推测的情态动词常用的有must / may / might / could/should/ ought to等，其中，must语气最强，只用于肯定句中，can/could常用于否定句和疑问句，may/might常用于陈述句。其后加“have +过去分词”形式时，常常表示对过去情况的推测。例如：
A．needB．sh—Did Bob take the job in the supermarket?—No, but I think he _________.
A．will haveB．may haveC．should haveD．must have
21．—Jane, why don’t you take a bite of the chocolate?
（1）It must / may / might / could have rained last night. The ground is wet.地湿了，昨晚肯定/可能/也许下雨了。
（2）The door was locked. He can ( could ) not / may ( might ) not have been at home .门锁着，他不可能/可能不在家。
A．wouldn’tB．couldn’tC．mustn’tD．shouldn’t
15．More and more countries have come to realize that the world____ do without Huawei and its "more advanced" technology.
4．According to the regulations, anyone who has the intention to be a teacher _______ pass a series of demanding tests.
A．canB．wouldC．mightD．shall
5．No student ______go out of school after eleven o’clock at night without the teacher’s permission.