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           -He __________ his mother do the housework at the age of eight.
          -We should help our parents with the housework. I did it when I __________ six.
          A. helped, was   
          B. helps, was   
          C. helped, am
          D  helped, am
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          根據(jù)句意及句中的標(biāo)志詞可知此題考查一般過去時(shí)的用法，故選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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