40. ---How long _______ at this job?

---Since 1990.　　

　A. were you employed　　　 　　　 　　　　　B. have you been employed

　C. had you been employed　　 　　　　　　D. will you be employed

39. All of the ways ______ man had made to keep the city safe were gone in the thirty seconds

　 the earth moved.

　 A. that　　　　　　　 B. in which　　　　 C. where　　　　　　 D. how

38. When we climbed the mountain, my legs were so weak that I could ____ stand.

A. hardly　　　　　 B. fairly　　　　　 C. almost　　　　　　 D. nearly　　　

37. ---Pardon?　

　 ---I ____ make so much noise.

A. tell you don’t　 　　B. tell you not to　 　　C. told you didn’t　　　 D. told you not to