题目内容
【题目】Twenty years ago,she bought things from shops.(变为否定句)
【答案】Twenty years ago,she didn't buy things from shops.
【解析】句意:20年前,她从商店里买东西。bought是buy过去式,构成否定句需要助动词did,用“主语+didn't+动词原形+其他成分”的结构完成句子,首字母大写,所以答案是:Twenty years ago,she didn't buy things from shops.
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