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At the Copenhagen conference, all the countries were called on to do all they could to control green-house gas emission it was too late. A. when B. after C. until D. before 【查看更多】

 

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At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.


  1. A.
    when
  2. B.
    after
  3. C.
    until
  4. D.
    before

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At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions        it was too late. w ww.ks 5u.co m

       A．when B．a(chǎn)fter  C．until  D．before

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At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions ______ it was too late. w ww.ks 5u.co m

       A．when               B．a(chǎn)fter                C．until                D．before

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At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.

       A．when          B．a(chǎn)fter               C．until          D．before

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At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions        it was too late. w ww.ks 5u.co m

       A．when B．a(chǎn)fter  C．until  D．before

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