题目内容
—Must I be home before eight o'clock.Mum?
—No,you ________,But you have to come back before ten o'clock.
A. mustn't B. can't
C. needn't D. couldn't
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题目内容
—Must I be home before eight o'clock.Mum?
—No,you ________,But you have to come back before ten o'clock.
A. mustn't B. can't
C. needn't D. couldn't