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人教版中考英语情态动词练习题50题【含答案解析】1.We can play basketball well, but I _____ play tennis.A.canB.can'tC.mustD.mustn't答案解析：B。
“can”表示有能力做某事，题干前半句说我们篮球打得好，后半句转折表示不会打网球，“can't”表示没有能力做某事，所以选B。
A 选项“can”与后半句意思不符；C 选项“must”表示必须；D 选项“mustn't”表示禁止。
2.She _____ swim very fast when she was young.A.canB.couldC.can'tD.couldn't答案解析：B。
“could”表示过去有能力做某事，题干中说她年轻时，所以用“could”。
A 选项“can”是现在的能力；C 选项“can't”现在没有能力；D 选项“couldn't”过去没有能力，与题干意思不符。
3.My brother _____ fix the bike by himself.A.canB.can'tC.mustD.mustn't答案解析：A。
“can”表示有能力做某事，题干说哥哥能自己修自行车，所以选A。
B 选项“can't”没有能力，与题干不符；C 选项“must”必须；D 选项“mustn't”禁止。
4.I _____ draw pictures, but my sister is better at it.A.canB.can'tC.mustD.mustn't答案解析：A。
题干意思是我会画画，但是我妹妹更擅长，“can”表示有能力做某事，所以选A。
B 选项“can't”没有能力，不符合；C 选项“must”必须；D 选项“mustn't”禁止。
5.The boy _____ read books when he was only three years old.A.canB.couldC.can'tD.couldn't答案解析：B。
中考英语情态动词推测基础练习题40题(带答案)1.There is a loud noise coming from the next room. It must be Tom. He is the only one there.A.must beB.can't beC.could beD.might be答案解析：A。
“must be”表示肯定的推测，根据题干中“There is a loud noise coming from the next room. He is the only one there.”可知，有很大的噪音从隔壁房间传来，并且他是那里唯一的一个人，所以可以肯定是汤姆。
“can't be”表示否定的推测，不符合题意；“could be”和“might be”表示可能性较小的推测，也不符合题意。
2.The book on the table isn't mine. It can't be mine.A.must beB.can't beC.could beD.might be答案解析：B。
“can't be”表示否定的推测，根据题干“The book on the table isn't mine.”可知，桌子上的书不是我的，所以用“can't be”。
“must be”表示肯定的推测，不符合题意；“could be”和“might be”表示可能性较小的推测，也不符合题意。
3.Look at that girl. She is singing so beautifully. She could be aprofessional singer.A.must beB.can't beC.could beD.might be答案解析：C。
“could be”表示可能性较大的推测，根据题干“Look at that girl. She is singing so beautifully.”可知，那个女孩唱歌很好听，有可能是专业歌手。
中考英语情态动词练习题50题含答案解析1.You study hard if you want to get good grades.A.canB.couldC.mayD.might答案解析：A。
“can”表示能力，在这里表示“能够”努力学习；“could”表示过去的能力或委婉语气；“may”表示可能性或允许；“might”表示可能性，语气比“may”更弱。
这里强调的是现在有能力努力学习，所以选A。
2.I borrow your pen?A.CanB.CouldC.MayD.Might答案解析：C。
“may”用于请求许可，语气比较正式；“can”更强调能力；“could”表示委婉请求；“might”可能性最小，这里是请求借用钢笔，用“may”更合适。
3.He finish the work on time.A.canB.couldC.may答案解析：A。
“can”表示能力，这里表示他有能力按时完成工作；“could”过去的能力或委婉语气；“may”表示可能性或允许；“might”可能性最小，这里强调能力，选A。
4. you help me with this problem?A.CanB.CouldC.MayD.Might答案解析：B。
“could”在这里表示委婉地请求帮助；“can”语气比较直接；“may”和“might”主要表示可能性和允许，不太符合语境。
5.She come to the party if she has time.A.canB.couldC.mayD.might答案解析：C。
“may”表示可能性，在这里表示她有可能来参加派对如果有时间；“can”表示能力；“could”过去的能力或委婉语气；“might”可能性比“may”更小。
6.We go to the park if it doesn't rain.A.canB.couldD.might答案解析：A。
“can”表示能够，这里表示如果不下雨我们能够去公园；“could”过去的能力或委婉语气；“may”表示可能性或允许；“might”可能性最小。
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”。
中考英语情态动词练习题40题1.Your mother is very tired. You ____ help her with the housework.A.mustB.canC.couldD.might答案：A。
“must”表示必须，妈妈很累了，你必须帮她做家务。
“can”表示能够，“could”表示过去的能力或委婉的请求，“might”表示可能，在这个场景下最合适的是“must”，表示有责任和义务去做某事。
2.There is a lot of noise in the classroom. You ____ be quiet.A.mustB.canC.couldD.may答案：A。
“must”在这里表示必须，教室里很吵，你必须安静。
“can”“could”“may”都没有“必须”这个强烈的要求。
3.I'm not sure if I can finish the project on time. I ____ ask my teacher for help.A.mustB.canC.couldD.should答案：C。
“could”表示委婉的请求或可能性，不确定能否按时完成项目，可以委婉地请求老师帮助。
“must”语气太强硬，“can”表示能力，“should”表示应该，在这个场景下“could”最合适。
4.You ____ play football in the street. It's very dangerous.A.mustn'tB.can'tC.couldn'tD.mightn't答案：A。
“mustn't”表示禁止，在街上踢足球很危险，所以是禁止的。
“can't”“couldn't”“mightn't”都没有“禁止”这个强烈的意思。
5.I have a lot of homework to do. I ____ watch TV tonight.A.mustn'tB.can'tC.couldn'tD.may not答案：B。
中考英语情态动词练习题40题1.We _____ be careful when crossing the road.A.mustB.canC.could答案：A。
“must”表示必须，过马路时我们必须小心，“can”表示能够，“could”表示过去能够或者委婉的请求等，这里强调过马路要小心，是一种必须的行为。
2.In the library, you _____ keep quiet.A.mustB.canC.could答案：A。
在图书馆必须保持安静，“must”符合语境，“can”表示能够，“could”表示过去能够或者委婉的请求等。
3.You _____ borrow my book if you promise to take good care of it.A.canB.mustC.could答案：A。
这里表示如果你承诺好好保管，你可以借我的书，“can”表示能够，“must”表示必须，“could”表示过去能够或者委婉的请求等。
4.She _____ sing very well when she was young.A.canB.couldC.must答案：B。
表示她年轻时能够唱歌很好，“could”表示过去能够，“can”表示现在能够，“must”表示必须。
5.We _____ finish our homework on time.A.mustB.canC.could答案：A。
我们必须按时完成作业，“must”符合语境，“can”表示能够，“could”表示过去能够或者委婉的请求等。
6.You _____ come to my party if you are free.A.canB.mustC.could答案：A。
如果你有空，你可以来我的派对，“can”表示能够，“must”表示必须，“could”表示过去能够或者委婉的请求等。
7.He _____ swim when he was five years old.A.canB.couldC.must答案：B。
中考英语情态动词练习题50题1.We ______ finish our homework on time.A.mustB.canC.couldD.may答案解析：A。
“must”表示必须，我们必须按时完成作业，符合语境。
“can”表示能够，“could”是“can”的过去式，表示过去的能力或委婉的请求，“may”表示可能，这三个选项在这个语境中不如“must”合适。
2.______ you help me with this math problem?A.MustB.CanC.CouldD.May答案解析：B 或C。
“can”和“could”都可以表示请求，“can”更直接，“could”更委婉。
“must”表示必须，不符合请求的语境。
“may”表示可能，也不合适。
3.My mother said I ______ watch TV after I finish my homework.A.mustB.canC.could答案解析：B、C 或D。
“can”表示能够，“could”是“can”的过去式，在这里也可以表示委婉的许可，“may”表示可能或许可，这三个选项都可以表示做完作业后可以看电视。
“must”表示必须，不符合语境。
4.We ______ be quiet in the library.A.mustB.canC.couldD.may答案解析：A。
在图书馆我们必须保持安静，“must”表示必须。
“can”表示能够，“could”是“can”的过去式或委婉说法，“may”表示可能，这三个选项都不符合图书馆要保持安静的规定。
5.______ I borrow your pen?A.MustB.CanC.CouldD.May答案解析：B、C 或D。
“can”“could”“may”都可以表示请求，“must”表示必须，在这里不合适。
6.You ______ hand in your homework tomorrow.A.mustC.couldD.may答案解析：A。
中考英语情态动词练习题50题(带答案)1. In the library, we ____ keep quiet.A. canB. mayC. mustD. could答案解析：C。
must表示必须，在图书馆里必须保持安静，这是一种规定。
can表示能力，能够，在这里不符合语境；may表示许可或可能性，用在这里不合适；could是can的过去式，也表示能力或用于虚拟语气等，不符合此句要求。
2. - ____ I use your pen? - Sure.A. MustB. MayC. NeedD. Should答案解析：B。
may表示许可，在这里是询问是否可以使用对方的笔。
must表示必须；need表示需要；should表示应该，都不符合此处询问许可的语境。
3. He ____ swim when he was five years old.A. canB. couldC. may答案解析：B。
could是can的过去式，这里表示过去的能力，他五岁的时候就会游泳了。
can表示现在的能力；may表示许可或可能性；must表示必须，都不符合句子描述过去能力的要求。
4. You ____ be late for school.A. should notB. can notC. may notD. need not答案解析：A。
should not表示不应该，你不应该上学迟到。
can not表示不能，没有能力；may not表示可能不；need not表示不需要，这里表达的是一种行为准则上的不应该。
5. - ____ he speak English? - Yes, he can.A. MustB. CanC. MayD. Should答案解析：B。
根据回答Yes, he can.可知问句是问他是否会说英语，can表示能力，所以这里选B。
must表示必须；may表示许可或可能性；should表示应该，都不符合题意。
中考情态动词专题练习（带答案）1． May I stop my car here?No, you_＿＿＿.A. can'tB. mustn'tC. needn'tD. don't have to2. Must we clean the house now?No, you _______.A. needn'tB. may notC. mustn'tD. can't3. John his father about his failure in the exam.A. dares not tellB. dares not tellingC. dare not tellD. dares not to tell4. You return the book now. You can keep it next week if you like.A. can'tB. mustn'tC. needn'tD. may not5. Johnny, you play with the knife, you hurt yourself.A. won't...can'tB. mustn't...mayC. shouldn't, mustD. can't...shouldn't6. The fire spread through the hotel very quickly but everyone get out.A. had toB. wouldC. couldD. was able to7. Would you go out for a walk with me?No, I . My girl friend is coming.A. wouldn'tB. shall notC. won'tD. shouldn't8. Man die without water.A. willB. canC. needD. shall9. If he started at 9 0'clock, he be there by now.A. needB. shallC. ought toD. must10. I mailed the letter two weeks ago. She_____it.A. must receiveB. can't receiveC. might receiveD. must have received11.The professor gave orders that the experiment before5:30p.m.A. be finishedB. will finishC. must be finishedD. would be finished12. There was plenty of time. You_____.A. mustn't hurryB. mustn't have hurriedC. needn't hurryD. needn't have hurried13. Tom was a diligent boy. He go to school though it was raining hard.A. was able toB. couldC. couldn'tD. wasn't able to14. ______I go back before lunch?No, I don't think you________.A. Need...mustB. Do...need toC. Must...have toD. May .... ought to15. The teacher do all the exercises, but a pupil_______.A. needn't....mustB. may not...mustC. needn't....needn'tD. can't....must16. Would you open the window please ?Yes, I______.A. willB. wouldC. doD. can17. A lion only attacks a human being when it is hungry.A. shouldB. canC. willD. shall18. ____Must I finish this novel this morning ?____No, you_____.A. mustn'tB. might notC. don't have toD. can't19. The taxi ____ only hold six passengers. It is full. You take the next one.A. may...mayB. can...mayC. may...canD. must...can20. I a little earlier, but I met a friend of mine on the way.A. may comeB. may have comeC. could have comeD. must have come21. I wish to go home now, I?A. mayB. can'tC. mustD. do22. He must have finished his homework, he?A. mustn'tB. didn'tC. needn'tD. hasn't23. This pen looks like mine, yet it isn't. Whose it be?A. mustB. canC. mayD. might24. He didn't do well in the exam. He hard at his lessons.A. must have workedB. ought to have workedC. would have workedD. has worked25. I wonder how he that to the teacher.A. dare to sayB. dare sayingC. not dare sayD. dared say26. Mr Baker, a number of students want to see you. _____ they wait here or outside?A. ShouldB. WillC. ShallD. Are27. You the trees. Look, it is raining now.A. mustn't have wateredB. needn't have wateredC. could have wateredD. might have watered28. I give you an answer tomorrow. I promise!A. mustB. willC. mayD. shall29. As a soldier, you do as the head tells you.A. willB. shallC. mayD. ought30. The streets are all dry. It_____ during the night.A. can't have rainedB. must have rainedC. couldn't rainD. shouldn't have rained31. "When _____ he leave the hospital?" I asked the doctor.A. willB. shallC. canD. may32. They have not finish the work up to now.____Well, they ______A. should haveB. shouldC. ought toD. ought have33. Since it is already midnight, we______.A. had better leavingB. ought to have leaveC. should take our leaveD. might as well leave34. you be happy!A. MayB. CanC. MustD. Would35. Must we come tomorrow?A. No, you can'tB. No, you needn'tC. No, you mustn'tD. No, you may not36. You miss the lesson, though we have it on Thursday.A. mustn't...needn'tB. needn't....mustn'tC. mustn't...mustn'tD. needn't...needn't37. To succeed in a difficult task,_____.A. one needs to work hardB. to work hard is neededC. you need be a hard working personD. to work hard is what one needs38. In case I______, I would try again.A. will failB. would missC. should failD. shall miss39. Some people feel that handguns______.A. should controlB. should be controlledC. must be controllingD. can be control40. ______ open the door for you ?A. Would you like that IB. Do you want that IC. Will ID. Shall I41. My son ____ the examination, but he wasn't careful enough.A. might be able to passB. must have passedC. could have passedD. were able to pass42. Isn't it strange that the lazy boy pass the exam?A. shouldB. hasC. mightD. would43. We the work so early without your help.A. couldn't finishB. can't finishC. couldn't have finishedD. can't have finished44. We the manager, but no one _____ his telephone number.A. could have called, knewB. could have called, had knownC. could call, had knownD. could call, knew45. "Would you come and join them?""I wish I . But I am busy at this moment.A. can'tB. couldn'tC. couldD. can46. If Alice this afternoon, the meeting should be put off.A. would not comeB. might not comeC. should not comeD. could not come47. I didn't see her in the meeting room this morning. She at the meeting.A. mustn't have spokenB. shouldn't have spokenC. needn't have spokenD. couldn't have spoken48. With so much work on hand, you to see the game last night.A. mustn't goB. shouldn't goC. couldn't have goneD. shouldn't have gone49. I thought you like something to read, so I have brought you some books.A. mayB. mightC. couldD. must50. There was plenty of time. She______.A. mustn't have hurriedB. couldn't have hurriedC. must not hurryD. needn't have hurried51. It's still early, you______.A. mustn't hurryB. wouldn't hurryC. may not hurryD. don't have to hurry52. Please open the window,________?A. can't youB. aren't youC. do youD. will you53. We for her because she never came.A. mustn't have waitedB. shouldn't have waitedC. mustn't waitD. needn't wait54. May I stop here?No, you ____.A. mustn'tB. might notC. needn'tD. won't55. He _____ you more help, even though he was very busy.A. might have givenB. might giveC. may have givenD. may give56. I didn't see her in the meeting room this morning.She at the meeting.A. mustn't have spokenB. shouldn't have spokenC: needn't have spoken D. couldn't have spoken57. Could I borrow your dictionary?Yes, of course you______.A. mightB. willC. canD. should58. Please don't make a noise.. I'll be as quiet as a mouse.A. Yes, I won'tB. No, I won'tC. No, I willD. Yes, I will59. The young man has made so much noise that he not have been allowed to attend theconcert.A. couldB. mustC. wouldD. should60. One ought for what one has done.A. not to be punishedB. to not be punishedC. to not punishedD. not be punished61. If you really want yourself to be in good health, you must always so much..A. not, be smokingB. not, have smokedC. not, to smokeD. be not, smoking62. Where is Mary?She isn't here. I think she_____.A. may have gone homeB. must have gone homeC. might have gone homeD. All the above63. I think Helen is at home.No, she be at home, for she phoned me from the airport just five minutes ago.A. mustn'tB. needn'tC. can'tD. dared not64. She is already two hours late. What to her?A. can have happenedB. may have happenedC. should have happenedD. must happen65. “ he be watching TV now?”"Yes, he be watching TV now?""No, he be watching TV now."A. Must, can, mustn'tB. Can ,must, can'tC. Can, can, mustn'tD. May, must, needn't66. You must be a writer, ______?A. mustn't youB. are youC. must youD. aren't you67. You must have seen him last night, ?A. haven't youB. didn't youC. don't youD. must you68. I got up early this morning, but I _______so because I had no work to do.A. mustn't have doneB. didn't need to doC. needn't have doneD. can't have done69. Let's say that you could go there again, how feel?A. will youB. should youC. would youD. do you70. I daren't tell you what he did for fear that he angry with.A. will beB. isC. wasD. should be71. Without the leadership of the Party, there no New China.A. would beB. has beenC. wasD. should be72. It is necessary that we a foreign language.A. must masterB. ought to masterC. masterD. should master73. Most of the students felt rather disappointed at theEnglish party. They say that it ___ better organized.A. had beenB. had to beC. must have beenD. could have been74. I am surprised that he to help me when I needed it most.A. should refuseB. would have refusedC. should have refused toD. may have refused75. Look! Tom is too sleepy to work .He __ up watching TV.A. mustn't have stayedB. shouldn't have stayedC. mustn't stayD. ought not to say.练习题答案1－10 BACCB DCADD11－20 ADACA ACCBC21－30 ADBBD CBBBA31－40 BADAB AACBD41－50 CACAC CDDBD51－60 DDBAA DCBDA61－70 ADCAB DBCCB71－75 ADDCB。
人教版中考英语情态动词练习题50题含答案解析1. You ____ play football in the classroom. It's not allowed.A. canB. mayC. mustn'tD. should答案：C。
解析：can表示能力，在这里不符合语境；may表示许可或可能性，也不符合“不被允许”的语境；mustn't表示禁止，符合在教室不允许踢足球这个场景；should表示应该，与题意不符。
2. - ____ I have a glass of water? - Yes, you may.A. MustB. CanC. MayD. Should答案：C。
解析：must表示必须，在这里询问是否能喝杯水，不是必须的意思，所以A错误；can表示能力或请求许可，这里用may 更礼貌正式地询问许可，所以B不太合适；may用于询问许可，符合语境；should表示应该，不符合此处询问许可的语境。
3. She ____ speak English very well because she has lived in the UK for many years.A. canB. mayC. mustD. should答案：A。
解析：can表示能力，她在英国生活多年所以有能力把英语说得很好；may表示可能性或许可，这里不是在说许可或单纯的可能性；must表示必须或肯定推测，这里不是必须说英语好，也不是肯定推测；should表示应该，不符合表示能力的语境。
4. - ____ he swim? - Yes, he can. He is a good swimmer.A. MustB. CanC. MayD. Should答案：B。
解析：根据回答Yes, he can可知问句是询问他是否会游泳，can表示能力，符合语境；must表示必须，与游泳能力无关；may表示许可或可能性，这里是询问能力不是许可或可能性；should 表示应该，不符合询问能力的语境。
必备英语中考英语情态动词专项练习题一、初中英语情态动词1．You __________ write the poem down. Our teacher will give us a copy soon.A. needn'tB. mustn'tC. shouldn'tD. can't【答案】A【解析】【分析】句意:你不需要把诗抄下来，老师很快会给我们一份。
A.不必;B.不准，禁止，不允许;C.不应该，表示责任、义务;D.不能，表示能力，不可能，表示否定的推测。
老师要给我们一份，所以不必抄写。
故选A。
2．— 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A3．—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。
4．—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。
5．—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。
6．— 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。
7．—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。
前句提请求，can,may都可以；后句，由sure可知后句用肯定回答。
Could表示一种委婉的语气；must表示主观愿望：必须。
妈妈要求孩子“必须”先完成作业。
故选B。
【点评】考查情态动词辨析，may表示请求时候的回答用语。
8．—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。
9．This book _________ be Lucy's. Look! Her name is on it.A. canB. mayC. mustD. might【答案】C【解析】【分析】句意：这本书一定是露西的。
看，她的名字在上面。
A. can 能；B. may 可能，可以；C. must 必须，一定；D. might可能；根据Her name is on it.可知一定是她的，故选C。
【点评】考查情态动词。
根据语境选出合适的情态动词，熟记情态动词的用法。
10．— 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。
A. can't不能，指不允许或否定推测；B. needn't 不需，指没必要；C. mustn't不能，表禁止；D. shouldn't不应该，表建议。
根据句意语境，本句是说妈妈不需要担心，故答案为B。
【点评】考查情态动词。
理解句意并掌握情态动词的意义和用法区别。
11．Now all passengers show their ID cards and go through the safety check before they take a train.A. wouldB. mayC. couldD. must【答案】 D【解析】【分析】句意：现在所有的乘客必须出示身份证并通过安检，才能上火车。
A.愿，要;B.可以;C.可以，表示许可，可能，表示肯定的推测;D.must必须。
旅客必须出示身份证并通过安检才能上火车，必须:must。
故选D。
12．You are supposed to bow when you meet someone from Korea.A. mustB. shouldC. wouldD. can【答案】 B【解析】【分析】句意：当你遇到来自韩国的人时，你应该鞠躬。
A. must必须，强调主观上的愿望；B. should应该，表示责任与义务；C. would要，将要；D. can能，会，表示能力。
Be supposed to 表示“应该”，故选B。
【点评】本题考查情态动词词义辨析，以及must、should、would、can四个情态动词的词义和用法。
13．Size and type do not matter — you ______ do almost anything if you never give up. A. should B. must C. need D. can【答案】 D【解析】【分析】句意：大小和类型不重要——如果你不放弃，你几乎可以做任何事。
A. should应该；B. must 必须； C. need 需要；D. can可以，能；根据 if you never give up，可知此处说你能做几乎任何事情，故选D。
【点评】此题考查情态动词辨析。
根据上下文的联系确定所使用的情态动词。
14．You _____ tell anybody about this——it's a secret.A. canB. mustC. mustn't【答案】C【解析】【分析】句意：你不得告诉任何人有关这事的情况。
这是一个秘密。
A.can能、会，表示主语所具备的能力；B. must必须，强调主观愿望“必须”做某事；一定，对当前情况做语气很强的肯定推测；C. mustn't不准，不允许，禁止。
表示“禁止”某人做某事。
后句：it's a secret（是一个秘密），可以推测出“禁止”告诉别人，故选C。
15．—Must I come before 6: 30 tomorrow?—No. You______. There will be plenty of time.A. mustn'tB. can'tC. couldn'tD. needn't【答案】 D【解析】【分析】句意：—明天我必须六点半前到吗？—不，你不必，将有足够的时间。
Must是“必须”的意思，当其变为一般疑问句时，否定回答要用needn't“不必”；肯定回答用must“必须”，mustn't不是“不必”的意思，而是一种禁止，一定不能做的意思。
