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He" been a teacher for ten years,[hasn"t] he?括号中为什么用hasn"t请帮我解析一下
人气:117 ℃ 时间:2020-01-29 12:56:16
解答
He's=he has 是现在完成时,结构是:主语+ has/ have + 过去分词..
反意疑问句用: hasn't he?
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