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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 776

The poor child stood there, and ________ what to do, turned to his father for help.   

A.not knowing B.not knew C.not to know D.not know
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Thepoorchildstoodthere,andwhat