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　　高考英语20分钟专题突破专练
　　英语20分钟专题突破：情态动词
　　1. After the bell rings, which indicates the ending of the exam, you stay where you are until all your papers are collected．
　　A．shall B．would C．will D．can
　　2. —Will you please stay here for the concert?
　　—Sorry, I _____ . I’ll have to go to an important meeting.
　　A. wouldn’t B. needn’t ustn’t D. can’t
　　3.－I missed the first part of the play. It was a pity.
　　－You ________ home half an hour earlier.
　　A. should have left B. must have left C. would have left D. need have left
　　4. Look! Tom is too sleepy to work .He __ up watching TV.
　　A. mustn’t have stayed B. shouldn’t have stayed ustn’t stay D. ought not to say.
　　5. ----I’ve told her many times , and she still forgot about it!
　　---I understand．It’s true that she _______ be very forgetful sometimes．
　　A．can B．should C．ought to D．must
　　6. English lessons are in strong demand in the United States, and people ____ wait for an opening
　　A. have to B. may have to ust D. may
　　7. Yesterday , Jane walked away from the discussion. Otherwise , she
　　something she would rather regret later.
　　A. had said B. said ight say D. might have said
　　8. —Are you ing to Jeff’s party?
　　—I’m not sure, I go to the concert instead.
　　A. must B. would C. should D. might
　　9. Most of the big hotels were full at this time of year, but finally we _________ finda room in one of those small guesthouses near the station.
　　A. ought to B. could C. were able to D. might
　　10. Being examined twice a year，whether it is a car or a bus or a truck，is the rule that every driver _______obey in this city.
　　A. shall B. can C. ought to D. need
　　11. The weather in the south is generally warm, but it _____ be very cold sometimes.
　　A. may B. shall C. will D. can
　　12. 一I heard they went skiing in the mountains 1ast winter．
　　一It be true because there was littIe snow there．
　　A. mustn’t B．couldn’t ay not D．won’t
　　13. He was a good swimmer so he _________ swim to the river bank when the boat sank.
　　A. could B. might C. should D. was able to
　　14. Since the ground is white, it _________ last night.
　　A. had snowed B. must have snowed
　　ust be snowing D. must have been snowing
　　15. --- That must be a mistake. ---- No .it _________ be.
　　A. can’t B. isn’t able to C. can D. was able to
　　16. He had known the matter before you told him, so you _________ have told it to him.
　　A. mustn’t B. can’t C. needn’t D. shouldn’t
　　17. You are their teacher. You _________ care of them.
　　A. should to take B. might to take C. ought to take D. need to take
　　18. She is studying medical science now but she _________ a lawyer.
　　A. used to be B. would be C. were D. had been
　　19. ________ you succeed !
　　A. Can B. May ust D.