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-The window is dirty． -I know．It for weeks． [ ] A． hasn’t cleaned B． didn’t clea

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-The window is dirty． -I know．It for weeks． [ ] A． hasn’t cleaned B． didn’t clea

－The window is dirty．

－I know．It ________ for weeks．

[]A．

hasn’t cleaned

B．

didn’t clean

C．

wasn’t cleaned

D．

hasn’t been cleaned

试题答案

答案：D

解析：

窗户应是被擦，且过去的动作影响到现在，所以要用现在完成时的被动语态。

标签：knowitfordirtythe

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