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They must have been here the day before yesterday,------------?请问若用反义疑问句,应该写什么
人气:215 ℃ 时间:2019-09-25 08:36:33
解答
They must have been here the day before yesterday,must not they?
前面用了肯定就后面用否定形式,反之前否后肯
must是情态动词,置后,表示不是很确定他们前天是否一定已经到过这里
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