They must be in the reading-room,_______ _______[They must be in _英语解答

They must be in the reading-room,_______ _______[
They must be in the reading-room,_______ _______[反义疑问句]

人气：360 ℃　时间：2020-01-27 18:03:10

解答

这里的must be 是肯定推测语气,不是must必须的意思,所以翻译疑问句用 aren't they?