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          —We should do what we can ________ the endangered animals.
          —Yes, it’s our duty_________ them.
          A．save; to protectB．save; protect
          C．to save; protectD．to save; to protect
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D

          試題分析：句意：我們應(yīng)該做我們能做的來(lái)拯救瀕臨滅絕的動(dòng)物。是的，保護(hù)他們是我們的職責(zé)。To do表示目的，It is +adj.+to do.結(jié)合句意，故選D
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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