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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 508

--- I hear Robert has gone to Harvard University for his master’s degree.
--- Oh, how nice! Do you know when he ____?

A.was leaving B.left C.had left D.has left
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IhearRoberthasgonetoHarvardUni