C. may not hurry D. don’t have to hurry 18. Please open the window, _____?
A. can’t you B. aren’t you C. do you D. will you 19. We _____ for her because she never came.
A. mustn’t have waited B. shouldn’t have waited C. mustn’t wait D. needn’t wait 20. — May I stop here? — No, you _____.
A. mustn’t B. might not C. needn’t D. won’t 21. It’s a fine day. Let’s go fishing, _____.
A. won’t we B. will we C. don’t we D. shall we 22. I didn’t see her in the meeting room this morning. She _____ at the meeting. A. mustn’t have spoken B. shouldn’t have spoken C. needn’t have spoken D. couldn’t have spoken 23. — Please don’t make a noise. — _____. I’ll be as quiet as a mouse. A. Yes, I won’t B. No, I won’t C. No, I will D. Yes, I will 24. The young man has made so much noise that he _____ not have been allowed to attend the concert.
A. could B. must C. would D. should 25. — Where is John? — He _____ in the library.
A. should be B. must be C. can be D. must have been 26. Since the road is wet this morning, _____ last night.
A. it must rain B. it must be raining C. it must have rained D. it must have been rain 27. — Will your brother stay home tonight?
— I’m not quite sure. He _____ to the cinema tonight.
A. must go B. can go C. may go D. may be going 28. She’s already two hours late. What ______ to her? A. can have happened B. may have happened C. should have happened D. must happen 29. You must be a writer, _____?
A. mustn’t you B. are you C. must you D. aren’t you 30. I got up early that morning, but I _____ so because I had no work to do. A. mustn’t have done B. didn’t need to do C. needn’t have done D. can’t have done 31. He _____ have come here yesterday, but he didn’t.
A. could B. should C. ought to D. all the above 32. I missed the last bus, so I _____ go home on foot.
A. must B. have to C. may D. had to 33. He ought to win the first prize, _____ he?
A. oughtn’t B. shouldn’t C. mustn’t D. both A and B 34. Everyone _____ do his best for the modernizations of our country. A. can B. may C. should D. might 35. Let’s clean our classroom, _____?
A. will you B. don’t we C. shall we D. do you 36. Let us play basketball, ______?
A. will you B. don’t we C. shall we D. do you
37. He asked me for this book many times. Please tell him that he _____ have it tomorrow.
A. must B. may C. shall D. both B and C 38. “Your phone number again? I _____ quite catch it.” “It’s 9568442.” A. didn’t B. couldn’t C. don’t D. can’t 39. Mother _____ us stories when we were children.
A. was used to tell B. is used to telling C. used to tell D. used to telling 40. She would rather _____ more money on books _____ on clothes.
A. cost ? not B. to spare ? don’t C. pay ? than D. spend ? than
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专项练习（二）
1.解析：选B. “should have +过去分词” 表示“过去本来应该(但没能)做某事”；keep one’s promise 意为“信守诺言”。
2.解析：选A.“ could have+过去分词表示过去本来应该(但没能)做某事”。 3.解析：选D. “You should have been more careful”. 意为：你本来应该更细心的。
4．解析：选C. can’t be at home 意为：不可能在家。
5解析：选B. “may have+过去分词”表示对过去动作的判断，意为：可能做了某事。 注意：can表示可能时，只能用于疑问句和反问句。
6.解析：选D. 表示：对过去发生的事情的肯定推测。
7．解析：选D. 意为：她刚才肯定一直在哭。对过去某事正发生的推测。 8．解析：选A. 对现在正在发生的事情的否定推测。 9．解析：选C. 对过去发生的事情 的肯定推测的被动式。
10.解析：选C. used to do的疑问式，可以是Used+主语+to do ?或Did +主语+use to do?
11.解析：选D. 说话人认为不必要乘车, need 为情态动词。 12.解析：选B. 在疑问句中shall 用于第三人称，也表示征求意见。 13.解析：选C. Yes的意思是：不。意为：恐怕我必须现在就做。 14.解析：选C. could/can have done 用于否定推测和疑问推测。
15.解析：选B. shall 用在疑问句中，常用于第一，三人称， 表示征求意见或请求指示。
16.解析：选B. 根据句意用mustn’t
17.解析：选C. have to 表示客观需要，must表示主观需要。学生证必须放在此是客观需要。
18.解析：选B. would rather 加完成时表示对完成了的或过去了的事情的态度。意为：当时是不情愿做的。
19.解析：选D. A为错误的表达方式；B和C没有直接回答对方的问候。 20.解析：选C. 对表否定的must进行反意疑问时，要用句子的实义动词 21.解析：选A. 否定推测用can’t不用mustn’t
22.解析：选D. 回答have to 的疑问句用must作肯定回答。
23.解析：选D. A,B,C都 不能回答shall we, 此处D的语气比较婉转客气。 24.解析：选D. had better 与不带to 的不定式构成谓语，可以变成疑问句：Hadn’t you better----
25. 解析：选B. 本来不必要做某事.
26. l解析：选C. 表推测时A，B都用作疑问句。 27.解析：选C. 断然的不定推测用can’t 28.解析：选A. 表示有把握的肯定推测用must
29.解析：选D. “something must be done” 意为：必须采取措施。 30. 解析：选D. ought 后应用to （三）答案及解析：
1. B。从He is a man of keeping his word中可以看出，李林肯定已经出发来参加聚会了，这是对已经发生的事情非常肯定的推测，故用must have done。注意must表推测时，不能用于否定句和疑问句中。
2. C。此题考查以情态动词提问的一般疑问句的回答。在英语中，以某些情态动词提问的句子，出于礼貌委婉或句意的需 要，回答时，要换用另一个情态动词。在回