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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1023

—You should have thanked the hostess before leaving.
—I meant ______. But I couldn’t find her when I was leaving.

A.to B.to do C.doing D.doing so
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—Youshouldhavethankedthehostes