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
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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.
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.
— 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>>
B. didn't clean
C. wasn't cleaned
D. hasn't been cleaned