题目内容

People were not allowed to enter the reading room because it______ then.

A. had been painted
B. was being painted
C. was painting
D. painted

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—How long did the meeting last yesterday afternoon？ —It was almost supper time______the meeting was over.

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A. 20
B. 16
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I wont believe that little boy can run 100 meters in 15 seconds______ I see it with my own eyes.

A. until
B. after
C. when
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