31.　　　　　 several times, but he still doesn’t know how to do it properly.

A. Being shown　　　　　　　　　　　　　　　　　　　　　 B. Having shown　　　　　

C. Having been shown　　　　　　　　　　　　　　　　　　　　 D. I’ve shown him

30.-There must be a dozen pens in this house, but I can never find one when I need one.

--Keep looking. 　　　　　　 　is sure to turn up.

A. One　　　　　　　　　　　　　 B. It　　　　　　　　　　　 C. That　　　　　　　　　　　　 D. This

29. Schwarzenegger will leave for Hong Kong today, 　　　　　　　 　　the former “Terminator” will be joined Jackie Chan for a public advertisement.

A. who　　　　　　　　　　　　　 B. which　　　　　　　 C. that　　　　　　　　　　　　　 D. where

28. –Is somebody taking care of you?

--　　　　　　　　　　 .

A. No. I’ve been waiting here for long.　　　　　

B. Your service is not good. Where’s your manager?

C. No. I’d like a long-sleeved shirt in yellow, medium.

D. Where have you been?

27. –Did Peter fix the computer himself?

--He 　　　　 , because he doesn’t know much about computers.

A. has it fixed　　　　　 B. had fixed it　　　　 C. had it fixed　　　　 D. fixed it

26. Leaves are found on all kinds of trees, but they differ greatly 　　 　　　size and shape.

A. on　　　　　　　　　　　 B. from　　　　　　　　　　　　 C. by　　　　　　　　　　　　　 D. in

25. Most of us have already known the problems 　　　　　　 　　at the meeting which will be held tomorrow afternoon.

A. to discus　　　　　　　　　　 B. being discussed　 C. discussed　　　　　　　　　 D. to be discussed

24. Only in this way 　　　　　 　to make improvement in the operating system.

A. you can hope　　　　　　　 B. you did hope　　　　　　 C. can you hope　　　　　　 D. did you hope

23. The problem camp up at the meeting　　　 　 we had not got enough money to do the research.

A. whether　　　　　　　 B. if　　　　　　　　　　　 C. that　　　　　　　　　　　　　 D. what

22. He took pity on the people in the flooded-areas and　　　 　 his clothes and quilts to them.

A. gave away　　　　　　　　　 B. gave off　　　　　　　　　 C. sent out　　　　　　　　　　 D. threw away