from other continents for millions of years ,Australia has many plants and animals not found in an——青夏教育精英家教网—

摘要： 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 解析:由句意可知Having been separated from other contnents-.与主句主语有被动的含义.并且先于主句谓语的动作.因此用现在分词完成式的被动式作原因状语.

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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

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_______ 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

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_______ 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

查看习题详情和答案>>

_________ 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

查看习题详情和答案>>

_____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

查看习题详情和答案>>

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