试题与答案

—Must I be home before eight o'clock, Mu

题型:选择题

题目:

—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 

答案:

答案:A

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