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				 After describing the planned improvements, she went on           how much they would cost.   A. to explain   B. explaining  C. to be explaining   D. having explained			【查看更多】
			


		
           
          


		
          
		
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           After describing the planned improvements, she went on _______ how much they would cost. 
            
          A. to explain   B. explaining  C. to be explaining       D. having explained
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
           After describing the planned improvements, she went on _______ how much they would cost. 
            
          A. to explain   B. explaining
            
          C. to be explaining D. having explained
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          After describing the planned improvements, she went on _______ how much they would cost. 
            
          A. to explain　　　　　　　  B. explaining
            
          C. to be explaining　　　　  D. having explained
              
           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
            
          After describing the planned improvements, she went on _______ how much they would cost. 
            
          A. to explain   B. explaining
            
          C. to be explaining D. having explained
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
           After describing the planned improvements， she went on _____ how much they would cost. 
            
          A. to explain               B. explaining 
            
          C. to be explaining          D. having explained 
          

			
          
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