题目内容
29.—The cleaning must have taken you quite a long time yesterday.
—Right.The rooms ______ for two months.
| A.haven't been cleaned | B.didn't clean |
| C.hadn't been cleaned | D.hadn't cleaned |
C
略
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题目内容
| A.haven't been cleaned | B.didn't clean |
| C.hadn't been cleaned | D.hadn't cleaned |