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

学习 时间:2026-09-28 18:14:33 阅读:200
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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鳗鱼蜻蜓

高兴的皮带

2026-09-28 18:14:33

选A 后面跟上了理由,说明可以确认,所以用must