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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 222

--- I haven’t seen Mary recently. And you?
--- Me neither. I’m afraid she _________ to her experiment for too long a time.

A.is devoting B.was devoted C.has been devoting D.has been devoted
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Ihaven’tseenMaryrecently.Andyo