1、【巩固练习】I.单项选择。1The last bus has gone. We _ go home on foot. A. couldB. mustC. have toD. can 2 _ you please tell me how to get to the airport? A. ShallB. MayC. ShouldD. Will3Post the letter for me when you go out, _ you? A. willB. doC. dont D. shall 4. I_work out the maths problem yesterday, but I can
2、 work it out now. A. cant B. couldnt C. may not D. neednt5. Judging by her accent, she _ be an American. A. cantB. mustntC. needntD. will6_ you turn down your radio, please?Yes, I can. AMay BNeed CMust DCan7Can I wear any clothes I like to school?No, you cantYou _ wear a uniform. Amight Bmust Cwill
3、Dwould8Everyone _ go through the security check (安检) when entering the World Expo Park. A. can B. may C. must D. ought9Must I clean the room now?No，you _.You can do it tomorrow. Amustnt Bmust Cneednt Dneed10I saw Kevin in the supermarket this morning No，it _ himHe moved to Canada last week Acan be B
4、must be Ccant be Dmustnt be11Look at that girl! Is it Susan?No, it _ be her. She has gone back to her hometown. Amustnt Bcant Cneednt Dwouldnt12 Im feeling much better now so you _ call the doctor. A. couldnt B. wouldnt C. cant D. neednt13Dad，must I do my homework now? NoYou _ play games with your f
5、riends for a little while Awould Bneednt Cmay Dmust14What will the weather be like tomorrow?It _ be rainy, cloudy or sunny. Who knows? Amust Bmight Cshall Dshould15How was the youth club last night, Mark?It was great fun. You _ come. Amust Bcan Cshould Dmay16_ your American friend eat with chopstick
6、s? Yes，he can. But he cant use them well ACan BShould CMust D. will17. _ I take some photos in the hall? No, you _ .A. Can; neednt B. Must ; mustnt C. Could; wont D. May; mustnt18. Look! A book is on the floor. Whose is it? It _be Ricks. It has his name on it.A. mustnt B. cant C. must D. need19.This
7、 toy Mickey Mouse _be Amys. shes the only kid at the picnic. A. must B. can C. need D. cant 20一Shall I tell Jim the good news?一No, you_Ive told him alreadyAwouldnt Bneednt Cshouldnt DmustntII.用方框内的情态动词填空。（每词只用一次）need, can, cant, shall, shouldnt, may, must, mustnt, have to, would 1. I show him the wa
8、y?No，you neednt.2. Can you answer this question in French?No, I .3. May I keep the book for three weeks? No, you .4. Nobody live without air or water.5. You not worry. Everything will be all right.6. I have some chocolates now? No, you mustnt.7. Children be left alone.8. I finish my homework before
9、I go to bed.9. we go out for a walk? Thats a good idea.10. you like some fish?【答案与解析】I.单项选择。1. C。 这里是表示客观需要，意为“不得不”。2. D。 Will you please do这是一个固定句型，表示请求，意为“请你做某事好吗？”。3. A。 考查祈使句的反义疑问句，附加问句常用will you，表示请求。4. B。 由yesterday可知用couldnt而不用cant。5. A。 这里cant表示对现在情况的否定推测，意为“不可能是”。6. D。本题考查情态动词的用法。由答句“Yes，I
10、can”可知答案为D项。7.B。 句意：我可以穿我喜欢的任何一件衣服去上学吗?不，你不能。你必须穿校服。本题考查情态动词的用法。might可能，也许；must必须；will将要；would意愿。根据句意说话者要表达命令的语气，故选B项。8. C。 句意：当进入世博园时，每个人必须通过安检。本题考查情态动词。can能，可能；may可以；must必须；ought应该。根据常识及实际情况，进人世博园必须安检。故选C。9. C。 句意：我现在必须打扫房间吗?不必，你可以明天打扫。本题考查情态动词。对must引起的疑问句的否定回答要用neednt。10. C。本题考查了情态动词表推测的用法。根据后句“H
11、e moved to Canada last week”可知说话者要表达“不可能”，故答案应为C。can表示“可能”时，常用于否定句和疑问句；must表推测时，意为“一定”，常用于肯定句。11. B。 句意：看那个女孩!是苏珊吗?不，不可能是她。她已经回老家了。本题考查情态动词的用法。根据句意，可推断设空处表示“不可能”，故答案为B项。12. D。 句意：我现在感觉好多了，所有你没有必要去叫医生了。本题考查情态动词的用法。need用作情态动词时通常用在否定句中，neednt意为“没必要”，相当于dont have to。13. C。 句意：爸爸，现在我必须做作业吗?不，你可以和你的朋友玩一会儿
12、游戏。本题考查情态动词的用法。根据句意，可知设空处表示说话者的允许，故答案为C项。14. B。 句意：明天的天气怎样? 可能有雨、多云或者晴天，谁知道呢?本题考查情态动词的用法。must意为“一定”；might意为“可能”，表示一种可能性，且可能性很小；shall与第二、三人称连用表示说话者的建议、命令、允诺；should意为“应该”，表示一种义务、责任或推断。根据题干中Who knows?可知说话者对说话内容把握不大，故用might。15. C。 句意：Mark，你觉得昨晚的青年俱乐部怎么样?非常有趣。你应该来的。本题考查情态动词的用法。must一定；can能；should应该；may可以。
13、根据语境：聚会在昨晚已举行过，Mark觉得很有趣，对方应该来，故用情态动词should。16. A。 句意：你的美国朋友会用筷子吃饭吗?会，但他用得不太好。本题考查情态动词的用法。can能；should应该；must必须。根据句意，可知设空处表示能力，故答案为A项。17. D。 句意：我可以在大厅里拍照吗？不，你一定不要。；May I？的否定答语为No, you cantmustnt. Must l？的否定答语为No, you needntdont have to.；Can I？的否定答语为No, you cant. 18.C。考查情态动词的用法。mustnt“禁止；不要”；cant“不可能”；must“一定”；need“必要”。由下文句意“在上面有他的名字”可知，这本书一定是瑞克的。故选C。19. A。下句话提到了她是野炊中的唯一的一个小孩子。可推知句意：这套玩具一定是Amy的。must be意为“一定是”。20. B。根据答语下文“我已经告诉他了”可知“你没有必要告诉了”，“不必，没有必要”用情态动词neednt 表达。II. 用方框内的情态动词填空。1. Must 2. cant 3. mustnt 4. can 5. need6. May 7. shouldnt 8. have to 9. shall 10. Would
