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    . Scientists think that the continents always where they today. A. aren’t; are B. aren’t; were C. weren’t; are D. weren’t; were 【查看更多】

     

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    Scientists think that the continents ________ always where they ________ today．（2005 北京，27）


    1. A.
      aren't；are
    2. B.
      aren't；were
    3. C.
      weren't；are
    4. D.
      weren't；were

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