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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1932

—I regret _____ you that Mary was badly injured in the accident.
—I can hardly believe my eyes. She is always so careful.

A.informing B.having informed C.to inform D.to have informed
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相关知识点

—IregretyouthatMarywasbadlyinj