-The window is dirty. -I know. It for weeks. A. hasn’t cleaned B. didn’t clean C. wasn’——青夏教育精英家教网—

摘要： -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 [解析]选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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— 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

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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

查看习题详情和答案>>

— The window is dirty.
— I know. It _____ for weeks.

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