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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 721

While we were running on the playground, Jack suddenly stopped             and lay on the ground, so we all stopped          what was wrong with him.
A. to run; to see   B. running; seeing  C. running; to see

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Whilewewererunningontheplaygro