34. Jane likes collecting stamps very much. In fact, her interest in it ___back to her school days.

A. dated 　　　 　　　　B. dates　 　　 　　　　　C. was dated　 　　 　　　D. is dated

33. Don't scold him; even an experienced engineer _____ make such a mistake after all.

A. can　　　　　　　　　　　　　 B. must　　 　　　　　　　 　　C. should　　　　　　　　　　 D. dare

32. A survey of the opinions of scientists _____ that three hours of outdoor exercise a week

　_____ good for our health.

A. show; are　　　　　　　　 B. shows; is　　　　　　　　 　 C. show; is　　　　　　 　　 D. shows; are

31. It was last year _____ I visited the museum _____ you had visited.

A. that; that 　　　　　　　 B. when, where　 　　　　　　 C. that; where　　　　　　 D. when; that　

30. ______ when to leave, I could only stay at home, _____ nothing.

　　　 A. Knowing not; done　　　　　　　　　　　　　　　　　　 B. Not having known; doing

　　　 C. Having not known; done　　　　　　　　　　　　　　　　　 D. Not knowing; doing

29. While building a tunnel through the mountain, _____.

　　　 A. an underground lake was discovered　　　 B. workers discovered an underground lake

　　　 C. there was an underground lake discovered　 D. a lake was discovered underground

28. - I wonder if I could use your phone for a while?

　 - _____.

　　　 A. It's a good idea　　　　　　　　　　　　　　　　　　 B. Why not? Do it for yourself

　　　 C. Of course. Go ahead　　　　　　　　　　　　　　 D. It's my pleasure

27. Only when the war was over_______ to his hometown. 　 A. did the young soldier return　　　　 B the young soldier returned 　 C. returned the young soldier　　　　 D the young soldier returned

26．He is an hour late by now．He 　　　　　last night．

A．must stay up　　　　　 　　　　B．should stay up

C．should have stayed up 　　　 　　　　D．must have stayed up

25. I don’t know how they ____the first couple of weeks after the strong earthquake.

A. got around　 B. got through　 　C. got over　　 　　　　　 D. got up