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          1 often hear her __.this song. Listen! Can't you hear her___ in the next room?.
           A. sing; sing      B. singing; singing    C. sing; singing 
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C. 
          考查非謂語動詞。 Hear sb do sth.聽見某人做某事；hear sb doing sth聽見某人正在做某事。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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