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    31．According to a UN report, some 844 animals and plants in the last 500 years. A．disappeared B．were disappeared C．have disappeared D．have been disappeared 【查看更多】

     

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     According to a UN report, some 844 animals and plants ______ in the last 500 years.

       A. disappeared                                      B. were disappeared               

    C. have disappeared                   D. had been disappeared

     

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    According to a UN report, some 844 animals and plants ______ in the last 500 years.


    1. A.
      disappeared
    2. B.
      were disappeared
    3. C.
      have disappeared
    4. D.
      had been disappeared

    查看答案和解析>>

    According to a UN report, some 844 animals and plants ______ in the last 500 years.

       A. disappeared                             B. were disappeared            

    C. have disappeared             D. had been disappeared

    查看答案和解析>>

    According to a UN report, some 844 animals and plants ______ in the last 500 years.

    A．disappeared B．were disappeared
    C．have disappeared D．had been disappeared

    查看答案和解析>>


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