35. We do out best to be careful and prevent bad things______, but most of us will eventually find ourselves in a situation_______ we or others need help.

A. from happening; which　 　　　　　　　　　　　 B. to be happened; where

C. happening; where　　　　　　　　　　　　　　　　　 D. to be happened; which

34. I can’t stand him. He always talks as though he 　　　　everything.

A. knew　　　　 　　　 B. knows　　　　　　　 　　　 C. has known　　　　　　　　 D. had known

33. The town is no longer __________ it was five gears ago, 　　　　　　it was quite dirty.

A. what, which　 B. that, which 　 　　　　　 C. what, when　 　　　　 D. that, where

32. I'm sorry but I __________ that you __________ your homework.

A. don't notice, are doing　　　　　　　　　　 　　　　　　　 B. don't notice, were doing

C. didn't notice, have done　　　　　 　　 　　　　　　　 D. didn't notice, were doing

31. I can’t become infected_______ HIV by swimming in a pool, or sitting in a bath.

A. to　　　　　　　 　 B. by　　　 　　　　　　　　 C. with　　　　 　 D. at

30. Since the ice cream is delicious, my friend recommended that it ______ by everyone here.

　　　 A. tasted　 　　　　　　　　 B. should taste　 　　　　 C. be tasted　 　　　 D. be tasting

29. It was ordered that no smoking ______ in the library.

　　　 A. be allowed　 　　　　　 B. is allowed　 　　　　　 C. can be allowed　 D. allows

28. The plant is dead. I ______ it more water.

　　　 A. will give　 　　　　　　　 B. would have given　 　 C. must give　 　　 D. should have given