题目内容
-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
答案:D
解析:
解析:
本题考查时态和语态知识。窗户应是被擦,且说明一直到现在的情况。所以要用现在完成时的被动语态。
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