He did his homework in the classroom just now．（改为否定句）
He
didn't do
didn't do
his homework in the classroom just now．

【答案】didn't do

【解答】

【点评】

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发布：2025/3/17 10:0:1组卷：5引用：1难度：0.7

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He did his homework in the classroom just now． （改为否定句）Hedidn't dodidn't dohis homework in the classroom just now．