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				 -Which of the twins runs        ?-It's  hard to say. They are neck and neck  now.A. fast        B. faster        C. fastest       D. the  fastest			【查看更多】
			


		
     
    


		
    
		
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    — Which of the twins runs ______?     
    — It's hard to say. They are neck and neck now.
    

    [     ]
    A. fast 
    B. faster 
    C. fastest 
    D. the fastest
    

			
    
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