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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 700

I was ________ leave ________ I saw him ________ towards me with a bag in his hand.

A.about to;when;run B.about to;when;running
C.to about;when;run D.to about;while;run
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IwasleaveIsawhimtowardsmewitha