—The window is dirty. —I know. It______ for weeks.A、didn’ t cleanB、wasn’ t clea

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问题 —The window is dirty. —I know. It______ for weeks.

选项 A、didn’ t clean
B、wasn’ t cleaned
C、hasn’ t cleaned
D、hasn’ t been cleaned

答案 D

解析考查动词时态。句意：——窗户脏了。——我知道。它已经好几周没被清理了。根据句意，可知时态是现在完成时，It做主语，应是被动语态。故选D。

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