1. I told Sally how to get here, but perhaps I _______ for her.
A. had to write it out B. must have written it out
C. should have written it out D. ought to write it out
2. —There were already five people in the car but they managed to take me as well.
—It _______ a comfortable journey.
A. can’t be B. shouldn’t be
C. mustn’t have been D. couldn’t have been
3. It’s nearly seven o’clock. Jack _______ be here at any moment.
A. must B. need C. should D. can
4. Johnny, you _______ play with the knife, you _______ hurt yourself.
A. won’t; can’t B. mustn’t; may
C. shouldn’t; must D. can’t; shouldn’t
5. The fire spread through the hotel very quickly but everyone _______ get out.
A. had to B. would C. could D. was able to
6. —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. need
7. —I stayed at a hotel while in New York.
—Oh, did you? You _______ with Barbara.
A. could have stayed B. could stay
C. would stay D. must have stayed
8. —Are you coming to Jeff’s party?
—I’m not sure. I _______ go to the concert instead.
A. must B. would C. should D. might
9. I was really anxious about you. You _______ home without a word.
A. mustn’t leave B. shouldn’t have left
C. couldn’t have left D. needn’t leave
10. —Is John coming by train?
—He should, but he _______ not. He likes driving his car.
A. must B. can C. need D. may
11. A left-luggage office is a place where bags _______ be left for a short time, especially at a railway station.
A. should B. can C. must D. will
12. I wonder how he _______ that to the teacher.
A. dare to say B. dare saying
C. not dare say D. dared say
13. When he was there, he _______ go to that coffee shop at the corner after work every day.
A. would B. should C. had better D. might
14. It has been announced that candidates _______ remain in their seats until all the papers have been collected.
A. can B. will C. may D. shall
15. How _______ you say that you really understand the whole story if you have covered only a part of the article?
A. can B. must C. need D. may
16. —I hear you’ve got a set of valuable Australian coin. _______ I have a look?
—Yes, certainly.
A. Do B. May C. Shall D. Should
●答案解析●
1. C。“ought to / should have+过去分词”表示后悔当初该做但却没做某事。“…也许我本该把详细地址写给她的。”
2. D。“couldn’t have+过去分词”表示对过去情况的推测。既然小汽车上“已有五人”，且是“设法”才把你带去的，如此拥挤，旅途当然“不可能”舒服。
3. C。nearly 暗示“时间不早了”，Jack“按理应当(should)随时(at any moment)”都有可能到达这里。must 语气过强；can 一般不用于肯定推测；need 意义不通，也不用于肯定句。
4. B。mustn’t(不许、千万不)表示禁止。may 表示可能性。句意为“你千万不要玩刀子，可能会弄伤自己的”。
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