59. When the old man _______ to walk back to his house, the sun ________ itself behind the mountain.

　　　　　　　　　　 A. started; had already hidden　　　　　　　 B. had started; had already hidden

　　　　　　　　　　 C. had started; was hiding　　　　　　　　　　　 D. was starting; hid

58. ―Hurry up! Alice and Sue are waiting for you at the school gate.

　 ―Oh! I thought they ________ without me.

　　　　　　　　　　 A. went　　　　　 　　　　　　　　　　　　　　　　 B. are going

C. have gone　　　 　　　　　　　　　　　　　　　　　 D. had gone

57. ―What are you going to do this afternoon?

　 ―I am going to the cinema with some friends. The film ________ quite early, so we _____ to the bookstore after that.

　　　　　　　　　　 A. finished; are going　 　　　　　　　　　　　　　　　　　　 B. finished; go

C. finishes; are going　 　　　　　　　　　　　　　　　 D. finishes; go

56. ―What’s wrong with your coat?

　 ―Just now when I wanted to get off the bus, the man next to me ________ on it.

　　　　　　　　　　 A. sat　　　　　　 　　　　　　　　　　　　　　　 B. had sat　　　　

C. had been sitting 　　　　　　　　　　　　　　　　　　　　　　　 D. was sitting

55. ―Are you still busy?

　 ―Yes, I ________ my work, and it won’t take long.

　　　　　　　　　　 A. just finish　　　　　　　　　　　　　　　　　　　　　　　　 B. am just finishing

C. have just finished　　　　　　　　　　　　　　　　　　 D. am just going to finish

54. You ________ to leave until you _______ your work.

　　　　　　　　　　 A. won’t be allowed; have finished　　　　 B. won’t allow; finish

　　　　　　　　　　 C. won’t be allowed; will finish　　　　　　　 D. won’t allow; will finish

53. ―________ you _________ the chief editor at the airport?

　 ―No. He _______ away before my arrival.

　　　　　　　　　　 A. Have; met; has driven　　　　　　　　　　　　　 B. Had; met; was driven

　　　　　　　　　　 C. Did; meet; had been driven　　　　　　　　 D. Have; met; was driven

52. ―Did you meet Professor Johnson?

　 ―Yes, but when I arrived, he ________, so we only had time for a few words.

A. had just left　　　 　　　　　　　　　　　　　　　　 B. has just left

C. was just leaving　 　　　　　　　　　　　　　　　　　 D. just left

51. ―Have you finished your composition already?

　 ―Yes. I _________ it in twenty minutes.

A. have finished　　 　　　　　　　　　　　　　　　　 B. finished

C. will finish　　　　 　　　　　　　　　　　　　　　　 D. had finished

50. He traveled to many mountain villages and saw many poor children out of school. This experience _______ his life.

　　　　　　　　　　 A. would change　　 　　　　　　　　　　　　　　　 B. had changed

C. was to change　　 　　　　　　　　　　　　　　　　 D. was changing