精品一区二区免费在线观看_国产精品久久久久久av福利软件_97成人精品区在线播放_国内成人精品一区

-- Must I be home before eight o'clock?

-- No, you         

A. mustn't            B. needn't          C. can' t          D. shouldn't

 —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

—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