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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2107

—You should have thanked her before she left.
—I meant ________, but when I was leaving I couldn’t find her anywhere.

A.to do B.to C.doing D.to have done
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—Youshouldhavethankedherbefore