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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 756

When he came in, he found his nephew ______ on the sofa watching a cartoon program.

A.seated B.seating
C.to seat D.having seated
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Whenhecamein,hefoundhisnephewo