21. _____ is no good leaving today’s work tomorrow.

　　A. This

　　B. What

　　C. That

　　D. It

　　22. ____ in the 1870’s that Marx started to learn Russian?

　　A. Was it

　　B. Were it

　　C. Had it

　　D. Did it

　　23. Mary scarcely cares for anything, ______?

　　A. doesn’t she

　　B does she

　　C. is she

　　D. is it

　　24. You used to play basketball when you were young, _____ you?

　　A. were

　　B. weren’t

　　C. used

　　D. didn’t

　　25. “____ the blue bus come here?” “Every twenty minutes.”

　　A. How fast has

　　B. How soon will

　　C. How long is

　　D. How often does

　　26. The little girl must have lain there for a long time, _____ ?

　　A. mustn’t she

　　B hasn’t she

　　C. wasn’t she

　　D. didn’t she

　　27.The reason ____ he did that was unacceptable.

　　A. why

　　B. that

　　C. which

　　D. where

　　28. This is the most exciting film _____ I have ever seen.

　　A. which

　　B. that

　　C. as

　　D. since

　　29. The lazy boy told his teacher a lie ____ he was ill and lay in bed.

　　A. which

　　B. where

　　C. who

　　D. that

　　30. The radio set ____ has gone out of order.

　　A. I bought it for her

　　B. which I bought it for her

　　C. I bought for her

　　D. what I bought for her

　　参考答案：

　　1-5:BABCA6-10:DBCDA

　　11-15:ADABA16-20:BACBB

　　21-25:DABDD26-30:DABDC