52. You look tired. _______ working indoors you should be out for a walk.

　 A. Ahead of　 B. Instead of　 C. In front of　 D. In spite of

51. The light of this room was ______ dim for Tom ______ read last night.

　 A. too; to　 B. enough, to　 C. too, not to　 D. not enough; to

50. Bob never does his homework ______ Marry. He makes lots of mistakes.

　 A. so careful as　 B. as carefully as　 C. carefully as　 D. as careful as

49. Please give me a call when you ______ Beijing.

　 A. get in　 B. reach　 C. arrive　 D. reach to

48. If you don’t know a word, you can ______ in the dictionary.

　 A. look up it　 B. look for it　 C. look it up　 D. look it over

47.　 Class is over. Let's stop ______.

A. have a rest　 B. to have a rest　 C. to have rest　 D. having a rest

46.　 You must wait ______ line when you are waiting _______ a bus.

A. on, in　 B. in, for　 C. in, on　 D. on, for

45.　 -----Do you feel like ______ or shall we go by bus?

-----I prefer walk, but we have _______ a taxi, for time is short.

A. walking, to take　 B. to walk, take　 C. walking, taken　 D. to walk, took

44.　 ----I forgot to bring my notebook.

---_______ . You can borrow some paper from others.

　 A. Help yourself　 B. I'm sorry　 C. No problem　 D. So careful

43.　 Don't eat the food. It has ______.

A. turn bad　 B. turned bad　 C. turn badly　 D. turned badly