81. I used to drink a lot of tea but these days I _____ coffee.

A. prefer　　　　 B. preferred　　　　　　 C. have preferred 　　　 D. am preferring

80. - Can you give me the right answer?

- Sorry, I _____.Would you repeat that question?

A. hadn’t listened B. haven’t listened C. don’t listen D. wasn’t listening

79. -_____ you _____ the 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； had driven

78. Look at this! I＿＿some magazines and _____ this letter.

A. was looking through； found　　　　　 B. am looking through； find

C. looked through； had found　　　　　　 D. had looked through； finding

77. The train _____ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.

A. went　　 　　　　B. is going　 　　 　C. goes　 　　 　　　　D. will be going

76. The plane _____ at 7:00 p.m., so I have to be at the airport by 6:40 at the latest.

A. has left　　　　　　 B. is to leave　　 C. will have left D. leaves

75. - Did he notice you enter the room?

- I don’t think so. He _____ to the radio with his eyes shut.

A. listened　　　　　　 B. was listening　 C. has listened　 D. had listened

74. - Tom, did Mr. Li join you in your discussion?

- No, he _____, but he happened to have fallen ill.

A. would like to　　　 B. will　　　　　 C. was to have　　 D. was going to join

73. - What do you think of this kind of TV set, which _____ in Shanghai?

- Well, I don’t care such things.

A. was made　 　　 　　　　B. is made 　　 C. has been made D. had been made

72. I didn’t like Aunt Lucy, who _____ without warning and bringing us presents.

A. always turned up　 　　　　　　　　B. has always turned up

C. was always turning up　　 　　　 　　　　D. was always turned up