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—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

 

D

it指上句中的window,是动作clean的承受者;同时时间状语for weeks加上语境中强调的是现在的情况,所以要用现在完成时。A项为主动语态;B项是主动语态,而且时态也不正确;C项是被动语态,但时态不合适。

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