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:
|
考查现在完成时与时间段连用。根据句意理解,此处应该用现在完成时,表示到现在为止已有几周没有擦窗户了。 |
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