—Must we get everything ready before we go to the countryside this summer?
   —No, you _______.
  
A．mustn’tB．won’tC．don’t have toD．can’t
C
本題考查情態(tài)動(dòng)詞�；卮餸ust時(shí)，肯定答語用must,否定答語用needn't或don't have to。
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