题目内容

Johnny, you ________ play with the knife, you ________ hurt yourself.
A．won’t; can’t B．mustn’t; may
C．shouldn’t; must D．can’t; shouldn’t
B。
mustn’t(千万不)表示禁止；may表示可能性。句意为“你千万不要玩刀子，可能会弄伤自己的。”
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