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          Some people fear that _____ air pollution may bring about changes in _____ weather around the world. 

          A. /; the 
          B. the; / 
          C. an; the 
          D. the; a 
          			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
				A				
          
			
          
			
          
				
          
			
          
			
          
				
          
			
          
			
          
				
          
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