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精英家教網 > 高中英語 > 題目詳情

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


  1. A.
    Being separated
  2. B.
    Having been separated
  3. C.
    Having separated
  4. D.
    To be separated
C
解析:
解析:逗號后面的部分是主句,前面這一部分只能是狀語.作狀語的非謂語動詞邏輯上的主語應是主句的主語,即Australia.“分割開”這個動作發生在很久以前而且與其邏輯主語是被動關系,這樣就需要用分詞的完成被動式,故C對.命題立意:分詞、不定式作狀語時,應注意其自身的語法意義,同時根據其與邏輯主語間的關系選擇合適的語態形式.還要注意獨立動詞不定式短語作狀語和獨立分詞短語作狀語這兩種特殊的非謂語動詞狀語形式.
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