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英语
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He used to be a teacher,( A.isn't he B.doesn't he C.didn't he D.wasn't he
人气：434 ℃ 时间：2020-10-01 03:21:12
解答
used to 的否定形式有两种
didn't use to 或者 usedn't to
这是一个反意疑问句,前面是陈述句,后面用否定句提问,所以C
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