题目内容
— The window must have taken you quite a lot of time that day.
— Right. They____ for weeks.
A. haven’t been cleaned B. hadn’t been cleaned
C. didn’t clean D. haven’t cleaned
B
解析:
略
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题目内容
— The window must have taken you quite a lot of time that day.
— Right. They____ for weeks.
A. haven’t been cleaned B. hadn’t been cleaned
C. didn’t clean D. haven’t cleaned
B
略