1.If it is fine tomorrow, we ______ a football match.
a. have   b. will have   c. has   d. shall has
2.When he was at school, he ______ early and take a walk before breakfast.
a. will rise  b. shall rise  b. should rise   would rise
3.In the past 30 years China ______ great advances in the socialist revolution and socialist construction.
a. has made  b. have made  c. had made  d. having made
4.I ______ go to bed until I ______ finished my work.
a. don’t/had  b. didn’t/have   c. didn’t/had   d. don’t/have
5.______ you think he ______ back by dinner time?
a. Do/have come  b. Did/will have come   c. Does/will come   d. Do/will have come
6.He said that he dropped his bag when he ______ for the bus.
a. was runing  b. was running  c. were running  d. is running
7.No sooner ______ he arrived home than he ______ to start on another journey.
a. has/was asked  b. have/were asked  c. had/is asked  d. had/was asked
8.“______ you give me a room for the night?” I asked on arriving at the hotel.
a. Should  b. Can  c. Might  d. May
9.There are nine of them, so ______ get into the car at the same time.
a. they may not at all  b. all they may not  c. they can’t all  d. all they can’t
10.“We didn’t see him at the lecture yesterday.” “He ______ it.”
a. mustn’t attend       b. cannot have attended 
c. would have not attended  d. needn’t have attended
11.“You realize that you were driving at 100 mph, don’t you?”
 “No, officer. I ______. This car can’t do more than 80.”
a. didn’t need to be  b. may not have been  c. couldn’t have been  d. needn’t have been
12.he was a good runner so he ______ escape from the police.
a. might  b. succeeded to  c. would   d. was able to
13.If they ______, our plan will fall flat.
a. are co-operating  b. had not co-operated  c. won’t co-operate  d. didn’t co-operate
14.I hoped ______ my letter.
a. her to answer  b. that she would answer  c. that she answers  d. her answering
15.He ______ live in the country than in the city.
a. prefers  b. likes to  c. had better   d. would rather
16.______ to see a film with us today?
a. Did you like  b. Would you like  c. Will you like  d. Have you liked
17.I’m sorry, but I had no alternative. I simply ______ what I did.
a. must do  b. had to do  c. ought to have done   d. have to do
18.“Time is running out,______?”
a. hadn’t we better got start   b. hadn’t we better get start
c.hadn’t we better get started  d. hadn’t we better not started
19.No one ______ that to his face.
a. dares say  b. dares saying   c. dare say   d. dare to say
20.The students in the classroom ______ not to make so much noise.
a. need  b. ought   c. must   d. dare
21.You ______ last week if you were really serious about your work.
a. ought to come  b. ought to be coming  c. ought have come   d. ought to have come
22.The elephants ought ______ hours ago by the keepers.
a. to be fed  b. to feed   c. to being fed   d. to have been fed
23.“I wonder why they’re late.” “They ______ the train.”
a. can have missed  b. could miss  c. may have missed   d. might miss
24.“Tom graduated from college at a very young age.” 
 “He ______ have been an outstanding student.”
a.    must  b. could  c. should  d. might
25.You ______ the examination again since you had already passed it.
a. needn’t have taken  b. didn’t need to take  c. needn’t take  d. mustn’t take
26.He is really incompetent! The letter ______ yesterday.
a. should be finished typing   b. must be finished typing
c.must have finished typing   c. should have been finished typing
27.The boy told his father that he would rather ______ an astronaut.
a. become   b. to become   c. becoming   d. became
28.When we reached the station, the train had still not arrived; so we ______.
a. needed not to hurry     b. needn’t have hurried   
c. need not to have hurried   d. didn’t need to hurry
29.Since your roommate is visiting her family this weekend,_____ you like to have dinner with us tonight?
a. will  b. won’t  c. wouldn’t   d. do
30.He was afraid what he had done ______ a disastrous effect on his career.
a. might have   b. could be   c. have been  d. shall be

3.助动词do 的用法

1)构成一般疑问句。例如:

   Do you want to pass the CET? 你想通过大学英语测试吗?

   Did you study German? 你们学过德语吗?

2)do + not 构成否定句。例如:

   I do not want to be criticized.  我不想挨批评。

   He doesn't like to study.  他不想学习。

   In the past, many students did not know the importance of English. 

过去,好多学生不知道英语的重要性。

3) 构成否定祈使句。例如:

   Don't go there. 不要去那里。

   Don't be so absent-minded. 不要这么心不在焉。

说明: 构成否定祈使句只用do,不用did和does。

4)放在动词原形前,加强该动词的语气。例如:

   Do come to my birthday party. 一定来参加我的生日宴会。

   I did go there. 我确实去那儿了。

   I do miss you. 我确实想你。

5)用于倒装句。例如:

   Never did I hear of such a thing.  我从未听说过这样的事情。

   Only when we begin our college life do we realize the importance of English. 进了大学以后,我们才认识到英语的重要性。

说明: 引导此类倒装句的副词有never, seldom, rarely, little, only, so, well等。

6)用作代动词。例如:

   ---- Do you like Beijing? --你喜欢北京吗?

   ---- Yes, I do. --是的,喜欢。(do用作代动词,代替like Beijing.)

   He knows how to drive a car, doesn't he? 他知道如何开车,对吧?

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