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:
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解析:
| 注意上文两个句子所用的时态。
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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
| 注意上文两个句子所用的时态。
|