问题
选择题
— 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
答案
答案：B
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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
答案：B