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          The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of ___ 9-story building.   
            
          A. the; the              B. a; a                 C. a; the                D. the; a 
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D 
             
          解析:
               
          第一空用the+n表示類別，是指blue whale 這一類動物；第二空用a表示泛指。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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