excuse me ,whose book is this --it -- be john's .it has his

学习 时间:2026-11-12 23:22:26 阅读:2473
excuse me ,whose book is this --it __ be john's .it has his name on it.A.must B.need C.can't D.can

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昏睡的导师

贪玩的小土豆

2026-11-12 23:22:26

选A 后面跟上了理由,说明可以确认,所以用must