53、Mr Green asked the pupils to write on　　 line, but Alice just wrote on 　　lines very carelessly.

　　　 A. every the second; every few　　　　　　　　　 B. every other; every a few

　　　 C. every second; every few　　　　　　　　　　　　 D. every two; every a few

52、The colour of the insect is different ______ on that of the tree it rests in.

　　　 A. depended　　　　　　　 B. depending　　　　　　 C. to depend　　　　　　　 D. depends

51、----My cousin failed to be accepted by the firm after the interview.

----He might as well________ so now that he wasn’t so well prepared.

　　　 A. not do　　　　　　　　　 B. have done　　　　　　 C. not have done　　　　 D. hadn’t done

50、----I’d like to take a week’s holiday.

----_________, we’re too busy.

　　　 A. Don’t worry　　　　 B. Don’t mention it　　 C. Forget it　　　　　　　 D. Pardon me

49、The performance was ________ a success, but a total failure.

　　　 A. nothing but　　　　　 B. at all　　　　　　　　　　 C. no more than　 　　 D. far from　

48、----Mary’s score on the test is the highest in her class.

　 ----Really? She　　　 have studied very hard.

　　　 A. may　　　　　　　　　　 B. ought to　　　　　　　　 C. must　　　　　　　　　　 D. should

47、The treatment will continue until the patient reaches the point _____ he can walk correctly and safely. 　

　　　 A. when　　　　　　　　　　 B. where　　　　　　　　　 C. which　　　　　　　　　 D. whose

46、----He doesn’t seem like the same person.　

　----_____ so much in the society has made him more thoughtful.　

　　　 A. Have experienced　 B. Had experienced 　 C. Having experienced　　 D. He experienced

45、To what extent will future scientific discoveries ______ the prolonging of human life?

　　　 A. be made possible　　　 B. make possible　　 C. make it possible D. be made it possible

44、----Tom, would you like to come to our dinner party?

----________.

A. Yes, I would 　　　　 B. Yes, with pleasure　 C. No, I can't come　　 D. Sure, it's my pleasure