情态动词难题及答案经典
英语情态动词含答案解析
英语情态动词含答案解析一、情态动词单项选择题1．—Robert, could you help me wash the car?—Of course, I ________. I’m coming, dad.A．could B．should C．can D．need【答案】C【解析】【详解】句意：——罗伯特，你能帮我洗车吗？——当然可以。
我来了，爸爸。
考查动词辨析和一般疑问句。
could能，过去式；should应该；can能，原形；need需要。
问句“could you help me wash the car”中的could表示委婉，肯定回答应用“can”，故选C。
2．You’d better ________ it with your parents before you make a decision.A．discuss B．to discuss C．discussed D．discussing【答案】A【解析】【详解】句意：你最好先和父母商量一下再做决定。
考查非谓语。
you’d better do sth“最好做某事”，空格处应用原形，故选A。
3．— Must I go to music school and be a teacher like you, Dad?—No, you ________, son. You’re free to make your own decision.A．can’t B．needn’t C．mustn’t【答案】B【解析】【分析】【详解】句意：——我必须去音乐学校，像你一样当老师吗，爸爸？——不用，儿子。
你可以自由地做自己的决定。
考查情态动词。
can’t 不能，不可能；needn’t 不必；mustn’t 一定不，表示禁止做某事。
根据“You’re free to make your own decision.”可知，不需要像爸爸一样当一名老师，结合选项，needn’t符合句意。
英语情态动词含答案解析
英语情态动词含答案解析一、情态动词单项选择题1．—Must I stay with him all day, Mum?—No, you ________.A．needn’t B．can’t C．don’t need D．mustn’t【答案】A【解析】【分析】【详解】句意：——妈妈，我必须和他待一整天吗？——不，你不必。
考查情态动词。
needn’t不必；can’t不能；don’t need不需要；mustn’t禁止。
用Must提问的一般疑问句，否定回答要用“needn’t”。
故选A。
2．— Mum, must I come back home before 20:00 tonight?— No, you ________. You can come back a little later.A．needn’t B．can’t C．mustn’t D．shouldn’t【答案】A【解析】【详解】句意：——妈妈，我今晚必须在晚上8点前回家吗？——不，你不必。
你可以晚回来会儿。
考查情态动词及一般疑问句。
needn’t不必；can’t不能；mustn’t表禁止；shoul dn’t不应该。
上文是情态动词must引导的一般疑问句，否定回答是No, 主语+needn’t/don’t have to。
故选A。
3．—Will you answer the phone, please?—Sorry, I ________. I am busy now.A．can’t B．needn’t C．shouldn’t D．mustn’t【答案】A【解析】【详解】句意：——请你接电话可以吗？——很抱歉，我不可以。
我现在很忙。
考查情态动词。
can’t不能；needn’t不必；s houldn’t 不应该；mustn’t禁止。
根据“ I am busy now”可知，现在很忙，所以不能接电话，故选A。
4．—Jeff, I can’t stop playing computer games when I get home from school.—For your eyes and study, I think you _________ stop it.A．may B．need C．should D．could【答案】C【解析】【详解】句意：——杰夫，我放学回家后总止不住要玩电脑游戏。
情态动词难题及答案
情态动词难题及答案一、初中英语情态动词1．— _______ you play tennis?—Yes, and I'm a good player.A. CanB. MayC. MustD. Should【答案】 A【解析】【分析】句意：——你会打网球吗？——会，我是一名优秀的网球员。
Can能，表示能力；may可以，表示允许；must必须，表示要求；should应该，表示建议；结合句意，此处表示能力，故用情态动词can，故选A。
【点评】此题考查情态动词的用法。
2．—Where is Mom now?—I'm not sure. She _________ be in the kitchen.A. shallB. mayC. needD. must【答案】 B【解析】【分析】句意：—妈妈现在在哪里？—我不确定，她也许在厨房。
A. shall 将要； B. may 可以，可能； C. need 需要； D. must必须，一定；根据I'm not sure可知是不确定；故选B。
【点评】此题考查情态动词表推测的用法。
3．—He be in the classroom,I think.—No, he be in the classroom. I saw him go home a minute ago.A. can； may notB. must； may notC. may； mustn'tD. may； can't【答案】 D【解析】【分析】句意:——我认为他可能在教室里。
——不，他肯定没有在教室里，我刚才看到他回家了。
must,can（could）,may（might）可以表示猜测，must表示肯定猜测，用于肯定句，肯定……一定……；can't表示否定猜测，肯定不……，另外can（could）,may （might）,表示可能性猜测，可能……根据I think,可知把握较小，根据I saw him go home a minute ago.可知第二句把握大，故选D。
高考情态动词单选20题答案解析版
高考情态动词单选20题答案解析版1. She ______ know the answer. She always gets good grades in English.A.mustB.canC.mayD.could答案：A。
选项A“must”表示肯定的推测，意为“一定”，根据后句她英语总是得高分，可以推断她一定知道答案。
选项B“can”表示能力，“能、会”；选项C“may”表示可能性较小的推测，“可能”；选项D“could”表示过去的能力或委婉的请求等。
2. You ______ finish your homework before you watch TV.A.mustB.canC.mayD.could答案：A。
“must”在这里表示“必须”，在看电视之前必须完成作业。
选项B“can”表示能力或允许；选项C“may”表示可能或允许；选项D“could”表示过去的能力或委婉的请求等。
3. He ______ be at home. I just saw him go out.A.mustn'tB.can'tC.may notD.couldn't答案：B。
“can't”表示否定的推测，“不可能”，因为刚刚看到他出去了，所以他不可能在家。
选项A“mustn't”表示禁止；选项C“may not”表示可能性较小的否定推测；选项D“couldn't”表示过去的否定推测，语气比“can't”弱。
4. —______ I use your pen?—Sure. Here you are.A.MustB.CanC.MayD.Could答案：B。
这里表示请求，“我能使用你的钢笔吗？”“can”可以用于请求允许。
选项A“must”表示必须；选项C“may”也可以用于请求允许，但语气比“can”弱；选项D“could”用于委婉的请求。
5. She ______ have forgotten to bring her book. She is always very careful.A.mustn'tB.can'tC.may notD.couldn't答案：B。
高中英语情态动词形式单选题60题(含答案)
高中英语情态动词形式单选题60题(含答案)1.She ____ be very tired after such a long journey.A.mustB.canC.couldD.might答案：A。
“must”在这里表示肯定的推测，“她在这么长的旅途之后一定很累”。
“can”表示能力、可能性，在此处不太符合语境；“could”表示过去的能力、可能性或委婉语气，也不太符合；“might”表示可能性较小的推测。
2.He ____ speak French fluently when he was young.A.mustB.canC.couldD.should答案：C。
“could”表示过去的能力，“他年轻时能流利地说法语”。
“must”表示肯定的推测，不符合；“can”表示现在的能力；“should”表示应该。
3.You ____ finish your homework before you watch TV.A.mustB.canC.could答案：A。
“must”表示必须，“你必须在看电视之前完成作业”。
“can”表示能力、可能性；“could”表示过去的能力、可能性或委婉语气；“may”表示可能。
4.____ I borrow your pen?A.MustB.CanC.CouldD.Will答案：B。
“Can I...?”表示请求，“我能借你的笔吗？”“Must”表示必须，语气太强；“Could”用于更委婉的请求，但不如“Can”常用；“Will”表示将来。
5.She ____ have forgotten her keys. She's always so careful.A.can'tB.mustn'tC.shouldn'tD.needn't答案：A。
“can't”表示否定的推测，“她不可能忘了钥匙，她总是很细心”。
“mustn't”表示禁止；“shouldn't”表示不应该；“needn't”表示不必。
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”。
2020-2021年情态动词难题及答案
2020-2021年情态动词难题及答案一、初中英语情态动词1．—Could you go to the bookshop with me? I want to buy The Grass House by Cao Wenxuan.—Sorry, I . I've promised Mum to go home right after school.A. can'tB. couldn'tC. needn'tD. mustn't【答案】 A【解析】【分析】句意：—你能和我去书店吗？我想买一本曹文轩写的《草房子》。
—对不起，我不能去。
我答应我妈妈放学后直接回家了。
在问句中的could表示委婉语气，不是过去式，所以回答时用can't，不能；needn't 不需要；mustn't一定不要，千万别。
结合句意，故选A。
【点评】考查情态动词，回答could提问的时候应使用can。
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．—I missed last night's Everlasting Classics（《经典咏流传》）！—You care. You can watch it online later.A. mustn'tB. can'tC. may notD. needn't【答案】 D【解析】【分析】句意：——我错过了昨晚的《经典咏流传》！——你不必在意，以后你可以上网看。
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。
（完整版）情态动词专项练习（含答案）
（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 ans wer 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 aboutwhen 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 be en28. 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 t o; 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. mu st 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。
中考情态动词基础单选20题(答案解析)
中考情态动词基础单选20题(答案解析)1. You _____ finish your homework before you watch TV.A.mustB.shouldC.canD.may答案：A。
must 表示“必须”，在这里强调看电视之前必须先完成作业。
should 表示“应该”，语气没有must 强烈。
can 表示“能够”，may 表示“可能”，这两个选项不符合语境。
2. —May I use your pen?—Sure. Here you are. But you _____ return it after class.A.mustB.canC.mayD.should答案：A。
must 在这里表示“必须”，借了东西后必须在课后归还。
can 表示“能够”，may 表示“可能”，should 表示“应该”，这三个选项不如must 更能体现必须归还的意思。
3. You _____ be careful when you cross the road.A.mustB.shouldC.canD.may答案：A。
must 表示“必须”，过马路时必须小心。
should 表示“应该”，语气不如must 强烈。
can 表示“能够”，may 表示“可能”，不符合语境。
4. —Could I borrow your dictionary?—Yes, you _____. But you must return it on time.A.canB.shouldC.mustD.may答案：A。
could 表示委婉的请求，回答用can。
should 表示“应该”，must 表示“必须”，may 表示“可能”，不符合语境。
5. We _____ respect our teachers and parents.A.mustB.shouldC.canD.may答案：A。
must 表示“必须”，我们必须尊重老师和父母。
最新初中英语语法知识—情态动词的难题汇编及答案解析
一、选择题1．We _______ keep the new traffic law and learn how to protect ourselves.A．may B．should C．can D．need 2．—Must I finish the work today, Mum?—No, you ________.You can finish it tomorrow.A．mustn't B．can't C．shouldn't D．needn't3．— 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 4．I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure.A．can B．may be C．might D．must5．—Is Wendy in the classroom now?—I’m not sure. She ________ be there. I saw her in the library ten minutes ago.A．may not B．must not C．shall not D．would not 6．—Is that cap Bob’s?—No, it ________ be his. His is blue.A．can’t B．mustn’t C．needn’t D．may not 7．—Can we walk across the road now?—No, we . We have to wait until the light turns green.A．couldn’t B．needn’t C．shouldn’t D．mustn’t8．---Mum, must I finish my homework today?---No, you . Tomorrow is Sunday and you may have a rest today.A．shouldn’t B．mustn’t C．can’t D．don’t have to 9．—Can I take some milk and biscuits to the reading room?—No, our school has a rule that students _______ eat or drink there.A．can’t B．mustn’t C．needn’t D．may not 10．— I wonder if these are Jim's glasses.—They _____his. He doesn't wear glasses.A．might be B．could be C．can't be11．I see the blackboard. I need to have my glasses.A．can B．can’t C．must D．mustn’t 12．— Could you play the piano when you were 8 years old?— ________.A．Yes, I could B．No, I can’t C．Yes, I can D．No, I won’t 13．—________ I borrow the books from the library, Miss Yang?—Sorry, you________. These books are only for members of the English Club.A．Can; couldn’t B．Could; can’tC．Could; c ouldn’t D．Can; needn’t14．—Jack must be in his office, I think.—No, he be in the office. He flew to Canada this morning.A．needn't B．shouldn't C．can't D．mustn't 15．This book _____ Lucy’s. Look! Her name is on the book cover.A．must be B．may be C．can’t be D．mustn’t be 16．-_________ you help me with my homework?-Of course if I __________.A．Could; could B．Can't; can C．Could; can D．Can; could 17．— Must I go home? — No, you ________.A．can’t B．mustn’t C．don’t D．needn’t 18．Will you please________them________the Birdwatching Society?A．inviting; join B．to invite; to join C．invite; to join D．to invite; join 19．一Hurry up, Mark! Let's cross the road as quickly as possible.一No，you . Don't you see the light is still red?A．couldn't B．wouldn't C．mustn't D．needn't 20．—Must I sleep now? —No, you________.A．needn't B．mustn't C．can't D．may not 21．—I often see Maria in the library, and she _________ like reading best.—That’s right.A．need B．may C．must D．can22．—______ you please tell me something about the life in Canada or America?—Sorry, I______. I don’t know either. I’m from Australia.A．Could; couldn’t B．Can; couldn’t C．Could; can’t D．Can; mustn’t 【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】句意：我们应该遵守新的交通法规，学会保护自己。
英语情态动词难题及答案含答案解析
英语情态动词难题及答案含答案解析一、初中英语情态动词1．— I take the magazine out of the reading room?— I'm sorry you .A. Could; couldn'tB. Must; couldn'tC. Will; can'tD. May; can't【答案】 D【解析】【分析】句意：——我可以把杂志带出阅览室吗？——对不起，你不能。
could能，可以；must必须；will将；may可以；can能，可以，can't不可以，不能。
此处表示请求许可，用could或者may，由could或者may构成的一般疑问句，肯定回答用yes，主语+can，否定回答用sorry，主语+can't，结合选项，故答案选D。
【点评】考查情态动词的辨析。
注意理解句意，理解选项，根据语境，选出正确的答案。
2．All passengers ______ go through safety check before they take a plane.A. canB. mayC. mustD. could【答案】 C【解析】【分析】句意：所有乘客登机前必须接受安全检查。
A. can能够，表示能力；B. may可以，表示许可；C. must必须；D. could可能，可以。
登机前必须安检。
故选C。
【点评】情态动词词义辨析。
以及can、may、must、could四个词的词义和用法。
3．—I wonder if this smart phone is Mary's.—It _______ belong to her. _______ is totally different from this one.A. mustn't; HerB. can't; HerC. can't; HersD. may; Hers【答案】C【解析】【分析】句意：――我想知道这个智能机是否是玛丽的。
高考情态动词单选20题(含答案)
高考情态动词单选20题(含答案)1. He ________ know the answer. He always gets good grades in English.A.mustB.canC.mayD.should答案：A。
“must”表示肯定的推测，意为“一定”；“can”表示能力或可能性；“may”表示可能性较小的推测；“should”表示应该。
根据后句他总是在英语上取得好成绩，可推测他一定知道答案。
2. You ________ be careful when crossing the road.A.mustB.canC.mayD.should答案：A。
“must”在这里表示义务，意为“必须”；“can”表示能力或可能性；“may”表示可能性较小的推测；“should”表示应该。
过马路时必须小心。
3. She ________ speak three languages.A.mustB.canC.may答案：B。
“can”表示能力，意为“能够”；“must”表示肯定的推测或义务；“may”表示可能性较小的推测；“should”表示应该。
她能说三种语言，强调能力。
4. He ________ come to the party. He said he was busy.A.mustn'tB.can'tC.may notD.shouldn't答案：B。
“can't”表示否定的推测，意为“不可能”；“mustn't”表示禁止；“may not”表示可能性较小的否定推测；“shouldn't”表示不应该。
他说他很忙，所以不可能来参加聚会。
5. We ________ study hard to get good grades.A.mustB.canC.mayD.should答案：A。
“must”表示义务，意为“必须”；“can”表示能力或可能性；“may”表示可能性较小的推测；“should”表示应该。
英语情态动词试题答案及解析
英语情态动词试题答案及解析1. (2013·全国Ⅰ，29)The door ________ open, no matter how hard she pushed.A．shouldn't B．couldn'tC．wouldn't D．mightn't【答案】C【解析】句意：不管她怎样用力推，门就是打不开。
would情态动词(表示尽管付出很大努力却没有发生)就(不)，偏(不)，如：He kicked, pushed, and hurled his shoulder at the door. It wouldn't open.他冲着门又踢又推，还用肩膀撞，但门就是打不开。
故C项正确。
2. (2013·全国Ⅱ，6)Since nobody gave him any help, he ________ have done the researchon his own.A．can B．mustC．would D．need【答案】B【解析】本题考查情态动词的用法。
句意：因为没有人帮助他，他一定是自己独立完成的研究。
can have done表示对过去事实的否定或疑问推测；must have done表示对过去事实的肯定推测；need have done表示本有必要做而未做。
故B项正确。
3.（2013·新课标I卷）The door ________ open, no matter how hard she pushed. A．shouldn’t B．couldn’t C．wouldn’t D．mightn’t【答案】C【解析】此处would not用来表达：即使某人努力让某事发生，某事就是不发生之意。
即为“偏不”的意思。
故C正确。
句意：无论她怎么用力推，门就是打不开。
【考点】本题考查情态动词的用法。
4.（2013·浙江）I______ myself more－it was a perfect day.A．shouldn’t have enjoyed B．needn’t have enjoyedC．wouldn’t have enjoyed D．couldn’t have enjoyed【答案】D【解析】句意：我实在是太开心了，真是很完美的一天。
(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. shouldC. needD. 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; couldD. 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 beB. had toC. would beD. 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’tB. needn’tC. can’tD. shouldn't解析：选C. can’t be at home 意为：不可能在家。
5．---I can’t understand wh y our boss is late.---He the early bus.A. could missB. may have missedC. can have missedD. 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。
英语情态动词含答案解析
英语情态动词含答案解析一、情态动词单项选择题1．—You ________? It’s dangerous!—Yes, Mr. Smith!A．must B．could C．mustn’t D．couldn’t【答案】A【解析】【分析】【详解】句意：——你偏要这样吗？太危险了！——是的，史密斯先生！考查情态动词。
must表偏要，非得；could能够，可以；mustn’t不能，表禁止；couldn’t 不可能，表推测。
根据“ It’s dangerous”可知，史密斯先生是反问的语气。
故选A。
2．—I cannot find my pen. ________ I borrow yours?—Sure.A．Can B．Must C．Should D．Would【答案】A【解析】【详解】句意：——我找不到我的钢笔。
我可以借你的吗？——当然。
考查情态动词辨析。
can可以；must必须；should应该；would将。
根据“I borrow yours”可知，此处应用can表请求允许，希望能借对方的钢笔用一下，故选A。
3．—I saw Mr. Li at the gate of Shiji Hualian Supermarket.—It ________ be him. He has gone to Anqing.A．can’t B．may C．must D．might【答案】A【解析】【详解】句意：——我在世纪华联超市门口看到了Mr. Li。
——不可能是他。
他去安庆了。
考查情态动词。
can’t不可能，表示语气强烈的否定推测；may可能，表示语气较弱的肯定推测；must一定，表示语气强烈的肯定推测；might可能，表示语气极弱的肯定推测。
根据“He has gone to Anqing.”可知有确切依据表明不可能是Mr. Li。
故选A。
4．All the students in our school ________ keep our school clean. Our school is like our home. A．must B．can C．may D．might【答案】A【解析】【详解】句意：我们学校所有的学生必须保持我们的学校清洁。
英语情态动词题20套(带答案)及解析
A．shallB．must
C．canD．should
【答案】D
【解析】
【详解】
考查情态动词。句意：我仍然难以想象这样聪明的孩子竟然犯这样愚蠢的错误。should作为情态动词，可以用来表示意外、惊喜或者在说话人看来是不可思议的，常常译为"竟会"、"居然"，这么聪明的孩子竟然犯这样愚蠢的错误。表示意外，shall表示允诺，命令等，must表示必须，can表示能力及可能性。所以答案选D。
【答案】B
【解析】
试题分析：考查情态动词用法。Shouldn’t have done本不应该做某事，实际上却做了（虚拟语气）；couldn’t have done不可能做某事（对过去情况的推测）；needn’t have done本不需要做某事，实际上却做了（虚拟语气）；句意：我的姐姐昨天下午在街上遇见了他，所以他不可能去听了你的演讲。故B正确。
3. 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：Shall we begin our lesson? When shall he be able to leave the hospital?
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）
英语情态动词含答案解析
英语情态动词含答案解析一、情态动词单项选择题1．— Alice, can you make dumplings?— Yes, I ________.A．may B．can C．must D．need【答案】B【解析】【分析】【详解】句意：——爱丽丝，你能包饺子吗？——是的，我可以。
考查情态动词。
may可能；can可以；must必须；need需要。
根据问句可知，此处问的是能不能包饺子，回答can开头的一般疑问句，用can，故选B。
2．We ________ eat or drink in the museum. It is against the rule.A．shouldn’t B．needn’t C．would D．could【答案】A【解析】【分析】【详解】句意：我们不应该在博物馆里吃或喝。
这是违反规定的。
考查情态动词。
shouldn't不应该；needn't不需要；would将；could能够。
根据“It is against the rule.”可知我们不应该在博物馆里吃或喝，这是违反规定的，因此用shouldn’t，故选A。
3．Sorry, I ________ go shopping with you yesterday afternoon. Because I was too busy. A．could B．couldn’t C．am able to D．couldn’t able to 【答案】B【解析】【分析】【详解】句意：抱歉，我昨天没能和你一起去购物，因为我太忙了。
考查动词辨析。
could=be able to能够，后跟动词原形；couldn’t=be not able to不能够，后跟动词原形。
根据“Sorry”和“Because I was too busy.”可知，此处说的是因为我太忙了，因此“不能”和你一起去购物，此处是否定。
故选B。
4．—The lake is said to be dry. Is that true?—It ________. Look, some kids are swimming in it.A．must be true B．can’t be true C．needn’t be true D．mustn’t be true【答案】B【解析】【详解】句意：——据说这湖是干的。
最新情态动词难题及答案(word)
最新情态动词难题及答案（word）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．— _________ I take my cousin Shirley with us, Mr. Wu？— Yes, but we'll get there by bike. ____________ she ride a bike?— Yes, and she ___________ ride a bike when she was only six years old.A. Could; can; couldB. Can; can; canC. Can; could; couldD. Could; could; can【答案】 A【解析】【分析】句意：-我能带我表弟雪莉和我们一起吗，吴先生？-是的，但我们将骑自行车去那儿。
【英语】情态动词难题及答案(word)
【英语】情态动词难题及答案（word）一、初中英语情态动词1．——Do you have any plans for this summer vacation? ——I'm not sure. I ___ take a trip to Taiwan.A. mustB. needC. mayD. should【答案】C【解析】【分析】句意:一今天暑假你有什么计划吗?一我还不确定。
我可能去台湾去旅行。
A.必须，一定;B.需要，必要;C.可能;D.应该。
根据句中I'm not sure可知，说话人还没有确定的计划，所以这只是一个可能，应选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．— __________I wear a tie to Janet's birthday party?— No,you needn't. But do remember to bring her a present.A. MustB. ShouldC. NeedD. Can【答案】 A【解析】【分析】句意：——我必须戴领带去参加Jane的生日聚会吗？——不，你不必，但是记住给她带个礼物。
对于must的否定回答是用needn't。
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情态动词难题及答案经典一、初中英语情态动词1．— Dick, ________ I use your e-dictionary? — Yes, sure. ________ you give it to David after you use it?A. will; WouldB. may; MightC. can; CouldD. shall; Should【答案】 C【解析】【分析】句意:一Dick我可用一下你的电子词典吗?一当然可以。
在你用完后你能把它给他David吗？根据句意及题干分析第一空表示请求允许，所以可以用may或can;第二空是表示对别人的请求.所以用could表示更加委婉，故选C。
2．—How amazing this robot is!—Wow, it has video cameras in its eyes, so it “see” and interact with people.A. mayB. canC. mustD. should【答案】 B【解析】【分析】句意：—这个机器人多么惊人啊！—哇，在它的眼睛里有摄像机，因此它能看见和人打交道。
A. may 可以，可能；表示许可，B. can 能；表示能力，C. must 必须；D. should应该；根据it has video cameras in its eyes,可知是有能力看见，故选B。
【点评】考查情态动词辨析。
熟记情态动词的含义和用法。
3．— __________I wear a tie to Janet's birthday party?— No,you needn't. But do remember to bring her a present.A. MustB. ShouldC. NeedD. Can【答案】 A【解析】【分析】句意：——我必须戴领带去参加Jane的生日聚会吗？——不，你不必，但是记住给她带个礼物。
对于must的否定回答是用needn't。
而should应该；need需要；can可以。
所以根据回答可知选A。
【点评】考查情态动词的基本用法。
4．Please don't make so much noise. I ________ hear the speaker very well.A. needn'tB. can'tC. shouldn'tD. mustn't【答案】 B【解析】【分析】句意：请不要发出那么多噪音。
我不能很好地听清楚发言者的话。
needn't不必；can't不能；shouldn't不应该；mustn't禁止。
根据前半句的Please don't make so much noise.可知别人发出了太多噪音，所以他无法听见演讲者的话，故用情态动词can't。
故选B。
【点评】考查情态动词，结合句意和词义做出判断。
5．—Life is becoming convenient with the Internet.—That's true! Almost everything ______ be done online.A. mustB. couldC. shouldD. can't【答案】 B【解析】【分析】句意：——生活正随着网络变得方便。
——那是真的。
几乎所有的事情可以在网上完成。
A必须，B可以，C将，D不能。
根据 Life is becoming convenient with the Internet. 生活正随着网络变得方便，可知应该是很多事情可以在网上完成，故选B。
【点评】考查情态动词。
注意理解和掌握情态动词的不同用法。
6．Look at the sign! It says “No Smoking!” You ________ smoke here. It's dangerous.A. mustn'tB. ought not toC. needn'tD. don't have to【答案】 A【解析】【分析】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。
A.mustn't 禁止，不允许；B.ought not to不应该，不应当；C.needn't不必；D.don't have to 不必。
根据“No Smoking!”可知此处禁止吸烟，故答案为A。
【点评】考查情态动词。
掌握情态动词的意义和用法。
7．—Where is Mom now?—I'm not sure. She _________ be in the kitchen.A. shallB. mayC. needD. must【答案】 B【解析】【分析】句意：—妈妈现在在哪里？—我不确定，她也许在厨房。
A. shall 将要； B. may 可以，可能； C. need 需要； D. must必须，一定；根据I'm not sure可知是不确定；故选B。
【点评】此题考查情态动词表推测的用法。
8．— Is this e-dictionary Jack's?— No, it_______ his. His is much newer.A. can't beB. mustn't beC. may beD. should be【答案】 A【解析】【分析】句意：-这个电子字典是杰克的吗？--不可能是他的，他的更新些。
must,can（could）,may（maight）可以表示猜测，must表示肯定猜测，用于肯定句，肯定……，一定……；can’t,表示否定猜测，肯定不……，另外can（could）,may（maight），表示可能性猜测，可能……。
根据后文的依据，可知是否定猜测，故选A9．I can't go with you. I _______ stay at home until my parents come back.A. canB. mayC. mustD. could【答案】 C【解析】【分析】句意：我不能和你一起去。
我必须呆在家直到我父母回来。
A. can能，表示能力；B. may可以，表示许可；C. must必须，强调主观愿望；D. could可以，表示允许、请求。
父母没回来前，我必须待在家。
故选C。
【点评】此题考查情态动词的用法。
10．We don't allow taking magazines out, but you ____________ copy the article you need on the machine over there.A. canB. mustC. shouldD. would【答案】 A【解析】【分析】句意：我们不允许把杂志带出去，但是你可以在那里抄下你需要的文章。
can能，能够，可以；must必须；should应该；would将；此处表示可以，允许，故选A。
【点评】此题考查情态动词辨析。
弄清每个情态动词的使用规则，根据上下文的联系确定所使用的情态动词。
11．—He be in the classroom,I think.—No, he be in the classroom. I saw him go home a minute ago.A. can； may notB. must； may notC. may； mustn'tD. may； can't 【答案】 D【解析】【分析】句意:——我认为他可能在教室里。
——不，他肯定没有在教室里，我刚才看到他回家了。
must,can（could）,may（might）可以表示猜测，must表示肯定猜测，用于肯定句，肯定……一定……；can't表示否定猜测，肯定不……，另外can（could）,may （might）,表示可能性猜测，可能……根据I think,可知把握较小，根据I saw him go home a minute ago.可知第二句把握大，故选D。
12．—Where is George?—He _______ be here just now. His coffee is still warm.A. needB. can'tC. mustD. shouldn't【答案】 C【解析】【分析】句意：——乔治在哪里？——他刚才一定在这里，他的咖啡还是热的。
A. need需要； B. can't 不能，不可能（表示推测）； C. must 必须，一定（表示推测）； D. shouldn't不应该；根据His coffee is still warm.可知表示肯定推测一定在这儿；故答案为C。
【点评】考查情态动词。
掌握情态动词表推测时的意义和用法。
13．— We've ordered too much food. I eat any more.—Never mind. Let' take it home.A. can'tB. mustn'tC. needn'tD. shouldn't【答案】 A【解析】【分析】句意：——我们已经点了太多的食物，我不能再吃了。
——没关系，我们带回家吧。
can't不能；mustn't必须不；一定不要；needn't不必；shouldn't不应该。
根据句意可知选Ａ。
【点评】考查情态动词辨析。
14．We __________ pay to get into the concert. It's free.A. can'tB. mustn'tC. might notD. don't have to【答案】 D【解析】【分析】句意：我们进入音乐会不必付钱。
这是免费的。
A.can"t 不可能； B. mustn"t 禁止； C.might not 可能不；D. don"t have to不必。
根据It's free.可知音乐会是免费的，因此不必付钱。
故选D。
15．—Mum, I play football this afternoon?—Sure, but you finish your homework first.A. may; couldB. can; mustC. can; mustn'tD. may; can't【答案】 B【解析】【分析】句意：－妈妈，今天下午我能踢足球吗？－当然，但是你必须先完成作业。