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				 - Has Tom finished his homework yet?   - I have no idea, he       it this morning.  A. was doing      B. did       C. had done     D. would do			【查看更多】
			


		
           
          


		
          
		
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          — Has Tom finished his homework yet? 
          


          — I have no idea, he _____ it this morning.
          


          
 
          
  
  
          A．was doing 
          
            		
  
  
          B．did
          
            		
  
  
          C．had done
          
            		
  
  
          D．would do
          
            		
 
          

          


           
          

			
          
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           — Has Tom finished his homework yet? 
            
          — I have no idea, he _____ it this morning.
            
          A. was doing         B. did           C. had done          D. would do
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									

          — Has Tom finished his homework yet? 
          — I have no idea, he _____ it this morning.
          A．was doing B．didC．had doneD．would do
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


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