—Why is the classroom so dirty? —Sorry, sir. It yesterday. We forgot to do it. [ ]A. don't clean B. didn't clean C. weren't cleaned D. wasn't cleaned-初中英语-n多题

◎ 题干

—Why is the classroom so dirty?
—Sorry, sir. It yesterday. We forgot to do it.

[ ]

A. don't clean
B. didn't clean
C. weren't cleaned
D. wasn't cleaned

◎ 答案

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◎ 解析

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◎ 知识点

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◎ 相似题

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