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  • 科目:英语
  • 题型:单选题
  • 难度:较难
  • 人气:1987

The tiger, once a __    __ animal to humans, is now ____ of disappearing on the earth.

A.dangerous, danger
B.dangerous, in danger
C.in danger, in danger
D.danger, in danger
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Thetiger,onceaanimaltohumans,i