1. 第一个人说“我忘记他的电话号码了”，这个“忘记”应该是现在的情况，即现在忘记了，要不然就没有必要同对方说此话了，故第一空应填 forget；第二个人说“我有他的号码，但我忘记带电话本了”，这个“忘记”应该是过去的情况，即过去忘记带电话本，所以现在电话本不在身上(注意句中的转折连词 but)，故第二空应填 forgot，即答案选应C。

60. In warm weather fruit and meat ________ long.

A. don’t keep　　　 B. can’t be kept

C. are not kept　　 D. aren’t keeping

1-5 CCDCC　 6-10 CCCCB　 11-15 BBDCC　 16-20 DDCAC

21-25 ACBCC 26-30 ACABA　 31-35 ABBDC　 36-40 DBCCB

41-45 DDCCC　 46-50 ACDAC 51-55 DCDBC 56-60 ABBCA

59. ―Was the doctor there when you arrived?

　　 ―Yes, but he ______ out a moment later.

A. had gone　　　 B. has gone　　　 C. went　　　 D. is going

58. ―Why? Where is the key to the sound lab?

　　 ―Dear me! You _______ it in the taxi！

A. have never left　　 B. never left

C. haven’t left　　　 D. didn’t leave

57. ―________ for Beijing?

　―Yes. And I’ll come back in three months.

A. Have you left　　 B. Are you leaving

C. Do you leave　　　 D. Did you leave

56. ―What were you doing when I called you yesterday afternoon?

　　 ―I ________ my homework and I was starting to take a bath.

A. had just finished　　 B. was finished

C. have already finished　　 D. was going to finish

55. My money_____, I must go to the bank to draw some of the savings out before I have none in hand.

A. has run out　　　 B. has been run out

C. is running out　 D. is being run out

54. ―Twenty dollars, please!

　 ― How terrible! I ________ to bring my wallet with me.

A. was forgetting　　 B. forgot

C. had forgotten　　　 D. am forgetting

53. ―What’s the matter? You look worried and restless.

　　 ―Oh, nothing really serious. As a matter of fact, I ______ of my graduation thesis. I have to hand it in soon.

A. am just thinking　　 B. just thought

C. have just thought　　 D. was just thinking

52. ―What about 10 o’clock tomorrow morning?

　　 ―I’m afraid I can’t make it. I _________ then.

A. am going to take an exam　 B. am taking an exam

C. will be taking an exam　　 D. an to take an exam