省略句用法

those of the earth D. of the earth

10.___ the road, don’t forget to look both ways. A. As crossing B. While you cross C. While crossing D. Cross

13.---Susan, go and join your sister cleaning the yard. --- Why ___? John is sitting there doing nothing. A. him B. he C. I D. me

14.---How do you find your missing pen? ----___. A.Quite by accident B. I found it in my drawer. C. It writes well D. It was well kept by myself.

15.---You must obey every word of mine. ----____ I don’t.?

A. How if B. What if C. Such as D. Only if

16.When ___, the museum will be open to the public next year.

A. completed B. completing C. being completed D. to be completed

17. The man we followed suddenly stopped and looked as if ____ whether he was going in the right direction. A. seeing B. having seen C. to have seen D. to see

19. ---Does Bill do his new job well?

---_____ his old job. I am afraid there is no hope for him. A. Not better than B. No better than C. Not so well as D. Not as well as

21.The rent is expensive. I’ve got half the space I had at home and I’m paying ____here.

A. as three times much B. as much three times C. much as three times D. three times as much

27. Unless________ to speak, you should remain silent at the conference.

A. invited B. inviting C. being invited D. having invited

28. Though_______ money, his parents managed to send him to university.

A. lacked B. lacking of C. lacking D. lacked in 29. The research is so designed that once _____nothing can be done to change it..

begins B having begun C. beginning D. begun 31. ______, he doesn’t want to go to school and keep in touch with the bad boys.

A. As he is a student B. He is as student C. Student as he is D. As students he is

34. — I hate talking with that guy. Look, he is coming. What should I do?— Don’t speak until _____. A. speaking B. spoken to C. spoken D. speaking to

35. — How are you getting on with your work? — Oh, I’m sorry. Things aren’t going so well as _____. A. plans B. planning C. planned D. plan

36. He is only too ready to help others, seldom, _____, refusing them when they turn to him.

A. if never B. if ever C. if not D. any

37. While _____ holding talks with President Hu Jintao, US President George W. Bush thanked China for its important role in the Six-Party Talks.

A. he is B. he was C./ D. B or C

38. —You should have thanked her before you left. — I meant _____, but when I was leaving I couldn’t find her anywhere

A. to thank B. to C. / D. thanking

if to

39. When first _____ to the market, these products enjoyed great success.

A. introducing B. introduced C. introduce D. being introduced

40. I wonder why you won't do it as _____. It's the third time you have done so.

A. told to B. be told C. told you D. you told

41. He is rather difficult to make friends with, but his friendship, _____ is more true than any other. A. once gained B. when to gain C. after is gained D. while gaining

42. You may take them all home _____.

A. if possible B. if can C. if impossible D. if you are possible

43. Water, _____ enough, can change into vapor quickly A. when heated B. while heating C. when to be heated D. when is heated

44. — Should I look up each word that I don’t understand?

— No, turn to your dictionary only when _____.

A. you are necessary B. you need C. necessary

D. you are needed

45. — You seem to have lost your way. _____? — I'm looking for Wangfujing Street.

A. What for B. Need help C. Why so D. Where to

答案：1-5ABABC 6-10ADBBC 11-15CADCB 16-20ADBBA 21-25DCDCB 26-30DACDD 31-35CDABC 36-40CDBBA 41-45AAACB