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used to的反意疑问句,否定句,一般疑问句是什么
人气:290 ℃ 时间:2020-02-18 16:53:53
解答
举个例子He used to read books at night.He didn't use to read books at night.Did he use to read books at night?He used to read books at night,didn't he?明白了吧
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