16. She ought to stop working; she has a headache because she ________ too long.
A. has been reading B. had read
C. is reading D. read
17. —Why do you look worried?
—Fred left the company half an hour ago. His work ________ unfinished since.
A. left B. was left
C. has left D. has been left
18. —You could have asked Mr. Johnson for help. He is kind-hearted.
—I ________ that. A whole day ________.
A. forget; wastes B. forgot; was wasted
C. forgot; had wasted D. forget; was wasted
19. You’d better not phone the manager between 7 and 8 tomorrow evening; he ________ an important meeting then.
A. will have B. would have
C. will be having D. will have had
20. —I’m sorry, but the boss isn’t here yet. Shall I have him call you when he comes back?
—No, I’ll call him back. If I call again in half an hour, do you think she ________ ?
A. had arrived B. has arrived
C. will arrive D. will have arrived
21. —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
22. —Why weren’t you at the meeting?
—I ________ for a long-distance call from my aunt in America.
A. waited B. was waiting
C. had been waiting D. had waited
23.—Will you attend the meeting this evening?
—But I ________ told anything about it.
A. wasn’t B. am not
C. haven’t been D. won’t be
24. — What did you think of Act I of the play last night?
— I’m sorry. The play ________ when I got there.
A. had been started B. had been on for half an hour
C. was to start D. had begun for half an hour
25. —Why did you come by bus?
—My car broke down yesterday evening and I ________ it repaired.
A. didn’t have B. don’t have
C. won’t have D. haven’t had
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