33.Police are now searching for a woman who is reported to ____ since the flood hit the area last Friday.

A. have been missing　 B. have got lost　 C. be missing　 D. get lost

32.I just wonder ____ that makes him so excited.

A. why it does　 B. what he does　 C. how it is　 D. what it is

31. How can you expect to learn anything ____ you never listen?

A. in case　 B. even if　 C. unless　 D. when

30. –May I smoke here ?

- If you ____, choose a seat in the smoking section.

A. should　 B.could　 C. may　 D. must

29. Five people won the “China’s Green Figure”award, a title ____ to ordinary people their contributions to environmental protection.

A.being given　 B. is given　 C. given　 D. was given

28. Although the causes of cancer ____, we do not yet have any practical way to prevent it.

A. are being uncovered　 B. have been uncovering　

C. are uncovering　　　　 D. have uncovered

27. ____ team wins on Saturday will go through to the national championships.

A. No matter what　 B. No matter which　 C Whatever　 D. whichever

26. We’re just trying to teach a point ____ both sides will sit down together and talk.

A. where　 B. that　 C. when　 D. which

25. Someone who lacks staying power and perseverance is unlikely to ___ a good researcher.

A. make　 B. turn　 C. get　　 D. grow

24. I’d appreciate ____ if you would like to teach me how to use the computer.

A. that　 B. it　 C. this　 D. you