题目内容
— The floor is too dirty.
— I know. It _______ for weeks.
| A.hasn’t cleaned | B.didn’t clean | C.hasn’t been cleaned | D.wasn’t cleaned |
C
解析
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题目内容
— The floor is too dirty.
— I know. It _______ for weeks.
| A.hasn’t cleaned | B.didn’t clean | C.hasn’t been cleaned | D.wasn’t cleaned |
C
解析