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          Help others whenever you can _____you will make the world a nicer place to live in.
          A．and
          B．or
          C．but
          D．unless
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          考查連詞。 根據(jù)句意，盡你所能去幫助別人，你會使世界成為更加美好的居住地。順接關系，所以選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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