55. _____ their service, the workers of the hotel are active in learning English.

A. Improving 　 B. To improve 　 C. Improve 　　　 D. Having improved

54. He used to _____ up late, but now he is used to _____ up early.

A. get … get 　　 B. get …getting 　　　　　　　　　　　　 C. getting…get D. getting…getting

53. The boy needed _____ all about it.

A. to know 　　　 B. to be known C. know 　　　　　 D. knowing

52. _____ over the undecided voters, they are working twice as hard.

A. Having won B. Won 　　　　　　 C. Winning 　　　 D. To win

51. ---Why so serious, dear?

　 ---Nothing. I’m just thinking about the problem _____ tomorrow.

A. discussed 　　　　　　　　　　　　　　　 B. will be discussed 　　　　　　　　　

C. to be discussed 　　　　　　　　　　　 D. being discussed

50. --- Why won’t you engaged in trade?

　 --- Father desired me _____ into business, but I chose to study law.

A. going 　　　　　　　　　　　　　　　　　 B. having gone

C. to have gone 　　　　　　　　　　　　 D. to go

49. For nearly three hours we waited for the decision, only ____ to come again the next day.

A. telling 　　　　 B. to be told 　　 C. told 　　　　　　 D. being told

48. The boy the teachers considered ____ failed in the final exam, ____ surprised them very much.

A.　　 to be the best student; which

B.　　　 as the best student; that

C.　　　 to have been studying well; that

D.　　 such as a good student; which

47. _____ the examination, all the students are studying hard.

A. Don’t fail　　　 B. Not fail 　　　 C. Not failing 　 D. Not to fail

46. Reading English in the morning seems to be a rule___ .

A. to never break 　　　　　　　　　　　 B. never to be breaking

C. never to be broken 　　　　　　　　 D. never to break