— The window must have taken you quite a lot of time that day. — Right. They____ for weeks.A．haven’t been cleaned B．hadn’t been cleanedC．didn’t cleanD．have-高中英语-n多题

◎ 题干

— The window must have taken you quite a lot of time that day.
— Right. They____ for weeks.

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

◎ 答案

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“— The window must have taken you quite a lot of time that day. — Right. They____ for weeks.A．haven’t been cleaned B．hadn’t been cleanedC．didn’t cleanD．have…”主要考查了你对【一般现在时】，【将来进行时】，【过去完成进行时】，【过去将来时的被动语态】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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