—Jack, _____ you behave yourself? You're no longer a kid.
—Sorry, Daddy.It won't happen again.
A.mustn't | B.can't | C.should | D.would |
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—Jack, _____ you behave yourself? You're no longer a kid.
—Sorry, Daddy.It won't happen again.
A.mustn't | B.can't | C.should | D.would |