The students ______ busily when Miss Brown went to get a book she ______ in the
题型：0118 月考题难度：来源：
| The students ______ busily when Miss Brown went to get a book she ______ in the office. |
| [ ] |
A. had written; left
B. were writing; has left
C. had written; had left
D. were writing; had left |
答案
| D |
举一反三
| Unfortunately when we arrived she _____, so we only had time for a few words. |
A. just left
B. has just left
C. was just leaving
D. had just left |
| I"m not sure whether he has finished writing the book, but he ____ it last month. |
| [ ] |
A. worked at
B. was working on
C. worked on
D. was working at |
— Why on earth didn"t you answer the phone?
— I"m terribly sorry, but the doorbell ____, too. |
A. is ringing
B. rang
C. was ringing
D. was about to ring |
---Why weren"t you at the meeting?
---I _____ for a good friend from America. |
A. waited
B. was waiting
C. had been waiting
D. had waited |
| Had you joined the chat room ten minutes ago, you would have known what we _____ about then. |
|
A. had talked
B. have talked
C. talk
D. were talking |
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