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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 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. 【查看更多】

     

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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 separatedB．Having separated
    C．Having been separatedD．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

     

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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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