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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1450

_____ from other continents for millions of year, Australia has many plants and animals not found in any other country in the world.

A.Being separated B.Having been separated
C.Having separated D.To be separated
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相关知识点

fromothercontinentsformillions