大学英语四级语法部分练习题

　　1) You____ all those clothes! We have a washing machine to do that sort of thing

　　A) needn't have washed

　　B) shouldn't have washed

　　C) must not have washed

　　D) can not have washed

　　2) John's score on the test is the highest in the class; he____ last night.

　　A) should study

　　B) should have studied

　　C) must have studied

　　D) must have to study

　　3) The room is in a terrible mess; it ____cleaned. (CET-4， 1996，6)

　　A) can't have been

　　B) shouldn't have been

　　C) mustn't have been

　　D) wouldn't have been

　　4) Nobody knows how people first came to these islands. They ____ from South America on rafts.

　　A) must have sailed

　　B) can sail

　　C) might have sailed

　　D) should have sailed

　　5) Mary was not in her bedroom yesterday afternoon. She ____ in her classroom.

　　A) should have been

　　B) must have been

　　C) must be

　　D) should be

　　6) Bob said he was going to join our club but he didn't. He ____ his mind.

　　A) can't have changed

　　B) wouldn't have changed

　　C) must have changed

　　D) shouldn't have changed

　　7) You____ to town to see the film yesterday. It will be on TV tonight.

　　A) needn't go

　　B) had better not go

　　C) should not go

　　D) needn't have gone

　　8) We____ the letter yesterday， but it didn't arrive.

　　A) must receive

　　B) ought to receive

　　C) must have received

　　D) ought to have received

　　9) With all the work on hand， he____ to the cinema last night.

　　A) mustn't go

　　B) shouldn't have gone

　　C) could not go

　　D) couldn't have gone

　　10) Eve was late for class again. She ____earlier.

　　A) should get up

　　B) must get up

　　C) need to get up

　　D) should have got up

　　11) I am feeling sick. I____ so much chocolate.

　　A) needn't have eaten

　　B) couldn't have eaten

　　C) mustn't have eaten

　　D) shouldn't have eaten

　　12) I didn't send out my application form last week， but I ____.

　　A) had

　　B) would do

　　C) should have

　　D) might have to

　　13) Walking alone in the deserted village， John was scared. He thought he____ Tom to go with him.

　　A) might have asked

　　B) should asked

　　C) must have asked

　　D) should have asked

　　14) When I got to the cinema， the film had already started; I____ there earlier.

　　A) ought to get

　　B) ought to have got

　　C) must have got

　　D) must get

　　15) The road was muddy. It____ last night.

　　A) must rained

　　B) must have rained

　　C) must be rained

　　D) could have rained

　　16) She can speak quite fluent English. She____.

　　A) must been in the U.S.A. for some time

　　B) must have been in the U.S.A. for some time

　　C) should have been in the U.S.A. for some time

　　D) May be in the U.S.A. for some time

　　17) You should bear in mind that he is not so strong as he____.

　　A) was used to be

　　B) used to be

　　C) was used to

　　D) use to