21. --- Did he notice you enter the room?

　　--- I don’t think so. He ______ to the radio with his eyes shut.

　　A. listened

　　B. was listening

　　C. has listened

　　D. had listened

　　22. The plane ______ at 7:00 pm, so I have to be at the airport by 6:40 at the latest.

　　A. has left

　　B. would leave

　　C. will have left

　　D. leaves

　　23. The train ___ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.

　　A. went

　　B. is going

　　C. goes

　　D. will be going

　　24. I used to drink a lot of tea but these days I ______ coffee.

　　A. prefer

　　B. preferred

　　C. had preferred

　　D. am preferring

　　25. The vegetables didn’t taste very good. They ______ too long.

　　A. had been cooked

　　B. were cooked

　　C. have cooked

　　D. cooked

　　26. --- Remember the first time we met, Jim?

　　--- Of course I do. You ______ in the library.

　　A. were reading

　　B. had read

　　C. have read

　　D. read

　　27. I want to buy that kind of cloth because I ______ the cloth ______ well.

　　A. have told; washes

　　B. have been told; washes

　　C. was told; washed

　　D. have been told; is washed

　　28. --- Is Tom still smoking?

　　--- No. By next Saturday he ______ for a whole month without smoking a single cigarette.

　　A. will be

　　B. will have gone

　　C. will have been

　　D. has been going

　　29. --- ______ Betty this morning?

　　--- Not yet, but she is sure to be here before noon.

　　A. Have you seen

　　B. Will you see

　　C. Do you see

　　D. Did you see?

　　30. Jim talked for about half an hour yesterday. Never ______ him talk so much.

　　A. I heard

　　B. did I hear

　　C. I had heard

　　D. had I heard

　　答案：

　　1-5 BADDD 6-10 DCDDD 11-15 ADBDC 16-20 BCBCB

　　21-25 BDDAA 26-30 ABBAD