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_____ from other continents for millions of year, Australia has many plants and animals not found in

时间:2022-05-12 20:37:40

_____ 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

答案及解析: C

解析:

解析:逗号后面的部分是主句,前面这一部分只能是状语.作状语的非谓语动词逻辑上的主语应是主句的主语,即Australia.“分割开”这个动作发生在很久以前而且与其逻辑主语是被动关系,这样就需要用分词的完成被动式,故C对.命题立意:分词、不定式作状语时,应注意其自身的语法意义,同时根据其与逻辑主语间的关系选择合适的语态形式.还要注意独立动词不定式短语作状语和独立分词短语作状语这两种特殊的非谓语动词状语形式.

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