50. The farmers were working in the field when the clouds ______them that a storm was coming up were on their way.

A. warned　　　 B. to warn　　　　 C. warning　　　　 D. warn

49. _____ I am willing to help, I do not have much time available.

　 A. When　　　　 B. While　　　　　 C. Since　　　　　 D. Where

48. Many people now make _____ a rule to buy gifts for friends before Christmas.

　 A. this　　　　　 B. that　　　　　　 C. it　　　　　　 D. which

47. John as well as five other students _____ to school early every day. 　 A. have gone　　 B. has gone　　　　 C. go　　　　　　 D. goes

46. “You _____ be able to speak French for this job,” he told me at the interview.

　 A. must　　　　 B. may　　　　　　 C. can　　　　　 D. need

45. The hotel _____ me $ 5 for a room for the night.

　 A. offered　　　 B. charged　　　　 C. spent　　　　　 D. cost

44. My new secretary is very quick; she _____ a lot of work in one morning.

A. gets over　 　　B. gets across　　　 C. gets round　　　 D. gets through

43. Look! Your necklace looks nice_____ me and I’m thankful _____ your kindness.

A. on; for　　　　 B. in; for　　　　　 C. in; to　　　　　 D. on; to

42. It was in the earthquake area _____ we saw a lot of soldiers and doctors _____the people there.

A. where; save　　 B. that; saving　　　 C. where; saving　 D. that; to saved