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  • can't be ,mustn't be

    can't be ,mustn't be
    look,miss Lin is in the classroom,the lady who is standing outside the classroom __ her.
    a.can't be
    b.mustn't be
    原因
    其他人氣:523 ℃時間:2020-04-13 01:51:24
    優(yōu)質(zhì)解答
    can't be
    must作為情態(tài)動詞,否定式是cannot而不是mustn't
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