摘要：21． Must I come back before ten? No, you . A. mustn’t B. needn’t C. couldn’t D. can’t
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—Must I be home before eight o'clock, Mum?
— No, you _____. But you have to come back before ten o'clock.
A. needn't B. can't C. mustn't
查看习题详情和答案>>—Must I be home before eight o’clock, Mum?
— No, you . But you have to come back before ten o’clock.
A. needn’t B. can’t C. mustn’t
查看习题详情和答案>>
—Must I be home before eight o’clock, Mum?
— No, you . But you have to come back before ten o’clock.
A. needn’t B. can’t C. mustn’t
— No, you . But you have to come back before ten o’clock.
A. needn’t B. can’t C. mustn’t