54. The pupil is too nervous to stand before the teacher, _____ he?
A. is B. isn’t C. doesn’t D. does
53. _____ to take this adventure curse will certainly learn a lot of useful skills.
A. Brave enough students B. Enough brave students
C. Students brave enough D. Students enough
52. Dorothy was always speaking highly of her role in the play, _____, of course, made the others unhappy.
A. who B. which C. this D. what
51. _____ production up 60%, the company has had another excellent year.
A. As B. For C. With D. Through
50. It is the ability to do the job _____ matters not where you come from or what you are.
A. one B. that C. what D. it
49. The film brought the hours back to me _____ I was taken good care of in that far- away village.
A. until B that C. when D. where
48. The home improvements have taken what little there is _____ my spare time.
A. from B. in C. of D. at
47. A computer can only do _____ you have instructed it to do.
A. how B. after C. what D. when
46. _____ such heavy pollution already, it may now be too late to clean up the river.
A. Having suffered B. Suffering C. To suffer D. Suffered
45. The research is so designed that once _____ nothing can be done to change it.
A. begins B. having begun C. beginning D. begun