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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1905

So absorbed ________ in the research that she didn’t hear someone knocking at the door.

A.she did B.did she C.she was D.was she
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相关知识点

Soabsorbedintheresearchthatshe