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				26．It's our duty to         people      too many  trees．A．stop,cutting  down                 B．prevent,to cut downC．keep,cutting  down                  D．make,cut down			【查看更多】
			


		
           
          


		
          
		
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          It's our duty to              people           too many trees．
            
          A．stop；cutting down                                 B．prevent；to cut down
            
          C．keep；cutting down                                   D．make；cut down
          

			
          
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