—The window is dirty.—I know. It ______for weeks.A、didn’t cleanB、wasn’t cleane

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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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