People were not allowed to enter the reading room because it .A. had been paintedB. was be

发布时间：2020-08-16 06:21:58

People were not allowed to enter the reading room because it     .
A. had been painted
B. was being painted
C. was painting
D. painted

网友回答

A. had been painted
(答案→)B. was being painted
C. was painting
D. painted
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