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          Yesterday I didn’t _____ any seals but _____ some dolphins.
          A．see, sawB．see, seeC．saw , seeD．saw, saw
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          此題重點(diǎn)考查一般過去時(shí)的肯定句和否定句的基本結(jié)構(gòu)
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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