题目内容
【题目】I ate a cake yesterday.(变为一般疑问句)
【答案】Did you eat a cake yesterday?
【解析】句意:昨天我吃了一个蛋糕。因为ate是eat是过去式,构成一般疑问句需要助动词did放在句首,用“Did+主语+动词原形+其他成分”的结构完成句子,首字母大写,句末加问号,所以答案是:Did you eat a cake yesterday?
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