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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1541

_____ the front door ___    , he had to enter the room through the back door.

A.Seen, painted B.Seeing, painted
C.Seeing, being painted D.Being seen, being painted
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thefrontdoor,hehadtoenterthero