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    18．Rainforests and burned at such a speed that they will disappear from the earth in the near future. A．are cutting down B．are cut down C．are being cut down D．had been cut down 【查看更多】

     

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    Rainforests ____ and burned at such a speed that they will disappear from the earth in the near future.

    A．cutB．are cutC．are being cutD．had been cut

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    Rainforests _______ and burned at such a speed that they will disappear from the earth in the      near future.

    A．cutB．are cutC．have been cutD．are being cut

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    Rainforests _______ and burned at such a speed that they will disappear from the earth in the      near future.

    A．cut              B．are cut            C．have been cut      D．are being cut

     

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    Rainforests ____ and burned at such a speed that they will disappear from the earth in the near future.

    A．cut              B．are cut            C．are being cut       D．had been cut

     

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    13.Rainforests _____ and burned at such a speed that they will disappear from the earth in the future.

    A．cut

    B．are cut

    C．are being cut

    D．had been cut

     

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