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They cleaned the room last weekend. (变为否定句)They the room last weekend.

编辑:chaxungu时间:2026-04-11 01:07:56分类:小学英语题库

【题目】They cleaned the room last weekend. (变为否定句)

They ________ ________ the room last weekend.

【答案】didn't clean

【解析】

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