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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 2042

If you had joined the chat room ten minutes ago, you ______what we were talking about!

A.have known B.knew C.would have known D.would know
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Ifyouhadjoinedthechatroomtenmi