— The window must have taken you quite a lot of time that day.— You are right. They _____ for weeks. [ ]A. haven't been cleaned B. hadn't been cleanedC.-高中英语-n多题

◎ 题干

— The window must have taken you quite a lot of time that day.
— You are right. They _____ for weeks.

[ ]

A. haven't been cleaned
B. hadn't been cleaned
C. didn't' clean
D. haven't cleaned

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◎ 解析

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◎ 知识点

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◎ 相似题

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