Johnny,you _____ play with the knife,you _____ hurt yourself.  A.won’t; can’t   B.mustn’

问题描述:

Johnny,you _____ play with the knife,you _____ hurt yourself.  A.won’t; can’t   B.mustn’

mustn't 不准
may 可能
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Johnny, you __ mustn’t___ play with the knife, you __may___ hurt yourself.
mustn't决不能,表示强烈禁止;may表示推测“也许”

shouldn't .may