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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 827

--I don't think we have met before.
--Yes, once at a party, but we___________.

A.weren't introduced B.didn't introduce
C.haven't introduced D.were not introducing
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Idontthinkwehavemetbefore.Yes,