◎ 题干
________from other continents for millions of years, Australia has many plants and animals
not found in any other country in the world.
[      ]
A. Being separated
B. Having separated
C. Having been separated
D. To be separated
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“________from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.[ ]A. Being separatedB.…”主要考查了你对  【现在分词的被动式】【现在分词的完成式】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。