51. I can’t decide _____ .

　　　　 A. what to do it　　 B. how shall I do it　 C. how to do it　 D. what shall I do it

50. The workers were made _____ the whole day.

　　　　 A. work　　　　 B. to work　　 　　　C. worked　　　 D. working

49. He was _____ at the _____ news.

A. excited; exciting　 B. exciting; excited　 C. excited; excited　 D. exciting; exciting

48. Do you have any other _____ to make on the subject?

A. advices　　　 　B. informations 　C. suggestions　　 D. newses

47. Don’t open the window, _____ ?

A. shall we　　　 　B. won’t you　 　　C. do you　　　 　D. will you

46. Bob doesn’t know _____ to write about.

A. how　　　　 　B. that　　　 　　C. what　　　 　　D. where

45. We must be strict _____ ourselves and strict _____ our work.

A. in; with　　　 B. with; in　 　　　　C. in; in　　　 　　D. with; with

44. Jim sat _____ to his mother with his eyes half _____ .

A. closed; opened　 　B. close; open　 C. closely; opening　　 D. closely; opened

43.(　 ) _____ may not seem very _____.

A. Watch TV; useful　　　　　　 　　　B. Watch TV; usefully

C. Watching TV; usefully　　　 　　　D. Watching TV; useful

42. The teacher asked Mr. Smith to _____ for a moment.

A. hold up　　　 B. hold on　 　　　　C. hold off　　　 D. hand in