33．　　　 by the recovering world economy, the oil price has been rising rapidly.

　　　 A．Driven　　　　　　　　 B．To be driven　　　　 C．To drive　　　　　　　 D．Having drive

32．--- Have you ever ridden a horse?

　　 --- No, but I 　　　　a came when I visited Egypt last year.

　　　 A．was riding　　　　　 B．have ridden　　　　　 C．rode　　　　　　　　　　 D．ride

31．The dog is a lovely animal. 　　　　　One which lives in 　　　　flat below mine is particularly pretty.

　　　 A．The; the　　　　　　　 B．不填；a　　　　　　　 C．The; a　　　　　　　　 D．The；不填

30. The customers complained that not only ___________high, but he didn’t do a good repair job.

　 A. he charged　 B. was he charged　 C. did he charge　 D. he was charged

29. ---I didn’t see her last night at the party.

　 --- You ___________. But you came too late.

　 A. could have　　 B. can’t have　　 C. must have　　　 D. ought have

28.. Henry set up a club for football fans, ___________ he invited all his friends.

　 A. to which　　　　 B. to whom　　　　 C. for whom　　　 D. from which

27. You will know what it is like ___________most of your time listening to dull reports in a meeting room.

　 A. spending　　　 B. having spent　　 C. to spend　　　　 D. to have spent

26.. Educators claim that children ___________to English-speaking environment will learn the language more quickly.

　 A. being exposed　 B. to be exposed　　 C. having exposed　 D. exposed

25.Mary, born of a poor family, can’t be admitted to a university next fall ___________she can afford her further study.

　 A. unless　　　　 B. for　　　　　　 C. as　　　　　　　 D. if

24.Despite a lot of research, scientists can not figure out ___________quite a number of insects, birds and animals are dying out.

　 A. that　　　　　 B. as　 　　　　　　C. why　　　　　　 D. when