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          精英家教網 > 初中英語 > 題目詳情
          
			
          
				
          What ______ you ______ when you father came back?
          A．did, doB．are, doingC．were, doingD．do, do
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
           考查固定結構。Be doing…when…某人正在做某事。。。這時。。。；根據(jù)when you father came back指的是過去，所以用過去進行時，選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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