-Can you come to my party on Wednesday?
         -Sorry, I ______. I have a piano lesson.

  • A can't
  • B couldn't
  • C mustn't
  • D needn’t
参考答案: A
解题思路: 回答为“对不起我不能,我有钢琴课”,对Can提问的一般疑问句的否定回答用can’t,故选A。>>>立即刷题