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1、英语语法课外辅导篇：情态动词专练1. -May I sit beside you, sir?-No, you . My girlfriend is coming soon.A.cant B.mustnt C.neednt D.shouldnt2. - I speak to May, please?-Im sorry she come to the phone because she isnt in.A.Might; wont B.Can; mustntC.May; cant D.Could; shouldnt3. -I want to know if I smoke here.-No, you
2、 . Could you see the sign NO SMOKING there?A.can; neednt B.must; cant C.shall; wont D.may; mustnt4. My wife never remembers my telephone number. She always look it up.A.must B.should C.would D.has to5. - you pass me the English magazine, please?-Sure. Here you are.A.Could B.Need C.Must D.Might6. -Mu
3、st I go to work with you?-No, you . Linda go with me.A.mustnt; can B.cant; has to C.darent; should D.neednt; may7. - I tell Mary the test results?-No, you . Shes already got the score.A.Will; wont B.Shall; needntC.May; mustnt D.Can; dont8. You be careful when crossing here-the traffic lights arent w
4、orking.A.might B.ought toC.could D.may9. -Could I borrow you bicycle?-Yes, of course you .A.will B.should C.canD.need10. Joan come with us this afternoon, but she isnt very sure yet.A.can B.may C.must D.will11.I ask you the question because I thought I be wrong.A.darent; must B.mustnt; canC.neednt;
5、may D.cant; should12.Its nearly eight oclock. Mike be here at any moment.A.need B.has to C.should D.can13. The fire spread through the building very quickly but everyone get out.A.had to B.would C.could D.was able to14. -What do you think of his answer? -I dont think it be right.A.should B.might C.m
6、ust D.can15. -Is John coming by train?-He should, but he . He likes driving his car.A.cant B.neednt C.may not D.mustnt16. He doesnt have to work tomorrow, but you have got to, you?A.dont B.havent C.havent got D.cant17. You wake me up when I fall asleep, you?A.havent better; have B.would not rather;
7、wouldC.had better not; should D.had not better; must18. -Why! I couldnt get you on the phone this morning. -We tennis in the yard when you phoned me.A.could be playing B.must be playing C.must have been playing D.should have played19. -We didnt see him at the lecture.-Neither did anybody else. He it
8、.A.may not have attended B.mustnt attendC.cant have attended D.couldnt attend20. -I came here by taxi and the driver charged me 50 yuan. -Really? You have come by bus.A.could B.must C.may D.should21. -Do you still remember when we went to the Great Wall?-I cant remember it well, but it have been som
9、etime last May?A.should B.must C.could D.would22. -I wonder why Mr Lin didnt come to work. -He have been ill.23. -No one passed the mathematics examination today.-I guess we the exercises last night.A.could review B.should review C.might review D.should have reviewed24.She the hospital so soon, for
10、she hasnt yet recovered.A.wouldnt have left B.shouldnt have left C.neednt leave D.hadnt left25.Why didnt you tell me there was no meeting today? I all the way herethrough the heavy snow.A.neednt have driven B.cant have drivenC.must have driven D.shouldnt have driven 答案与解析：1.A。2. C。请某人接电话用 May/Can/Co
11、uld I speak to.,please?表否定推测用 cant。3. D。may表允许。从NO SMOKING知道是不准、禁止等意思，故用mustnt。4. D。表客观上不得不，这是记不住的后果。A表主观必须，不合题意。5. A。表示客气请求，用 Will/ Could/ Would you.?6. D。Must I.?的否定回答用 neednt/dont have to。可能性不大用 may。7. B。表征询意见用Shall I/he.?用于第一、三人称。从她已经拿到分数单了 可知，没必要告诉她考试结果。8. B。表建议应该做某事，用should/ought to。9. C。回答别人可
12、否借某物时，肯定句用Yes, you can.否定句常用Im sorry/afraid. 表婉言谢绝。10. B。从he isnt sure知道，可能性小的肯定推测用may。11. A。根据句意：我错了，才不敢问。12. C。表本应该，实际并未如此。13. D。14. D。表否定推测，语气肯定。主句否定词not应转移到宾语从句的谓语。15. C。从前后语境看，推测语气不肯定。16. B。 have to.反问用 dont.? have got to.反问用 havent.?17. C。had better的否定式是had better not,反意疑问句多用should。18. C。对过去情况
13、有充分依据的肯定推测。19. C。对过去情况可能性的否定推测。20. D。表过去本应该做而实际未做某事。21. C。对过去情况可能性的疑问推测。22. C。表对过去情况可能性较小的肯定推测。might比may的可能性更小。23. D。表过去本该做而实际未做某事。24. B。表过去本不该做实际又做了某事。25. A。表过去做了本没有必要做的某事。I. 单项填空。从 A、B、C、D 四个选项中，选出可以填入空白处的最佳选项。1. - I go out to play now, Mum?- No, you . You should do your homework first.A. Must; mu
14、stnt B. Must; wouldntC. May; neednt D. May; had better not2. you like to have a walk with us this evening?A. Did B. Would C. Should D. Can3. You be careful when you cross here - the traffic lights arent working.A. could B. might C. ought to D. may4. We were all waiting for you; you for the seaside b
15、y yourself withoutleaving a message.A. mustnt leave B. neednt leaveC. shouldnt have left D. couldnt have left5. It be she that told him about it; it be you, because only you and Iknow it.A. mustnt; must B. couldnt; mustC. mustnt; might D. couldnt; might6. A hardworking man become a great scientist, but a great scientist bea hardworking man.A. cant; can B. may not; canC. cant; must D. m
