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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 900

–A boy was killed by the tiger in the zoo.
–He was believed ______ into the cage while feeding the tiger without permission.

A.to fall B.to be falling C.to have fallen D.having fallen
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相关知识点

–Aboywaskilledbythetigerinthez