练习册

  • 练习册
  • 试题
    29．If we had taken such effective measures much earlier, the river so seriously now． A．is not polluted B．would not be polluted C．had not been polluted D．would not have been polluted 【查看更多】

     

    题目列表(包括答案和解析)

    If we had taken such effective measures much earlier, the river ________ so seriously now．

    [　　]

    A．is not polluted

    B．would not be polluted

    C．had not been polluted

    D．would not have been polluted

    查看答案和解析>>

    If we had taken such effective measures much earlier, the river ________ so seriously now．

    [　　]

    A．is not polluted

    B．would not be polluted

    C．had not been polluted

    D．would not have been polluted

    查看答案和解析>>

    If we had taken such effective measures much earlier, the river________so seriously now.

        A．is not polluted      B．would not be polluted

        C．had not been polluted     D．would not have been polluted

    查看答案和解析>>

    If we had taken such effective measures much earlier, the river__________so seriously now.

        A．is not polluted          B．would not be polluted

        C．had not been polluted     D．would not have been polluted

    查看答案和解析>>

    If we had taken such effective measures much earlier, the river           so seriously now.

        A．is not polluted       B．would not be polluted

        C．had not been polluted      D．would not have been polluted

    查看答案和解析>>


    同步练习册答案