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          No one told us __________，so we need your help．
            
          A．how should we do                                      B．what should we do
            
          C．how to do it                                               D．what to do it
            
            
         
        
         			
          

			
          
				
          
		
		
	
          
		
          
			
          
				
          
				  
            
          1、C
            
            				
          
			
          
			
          
				
          
			
          
			
          
				
          
			
          
			
          
				
          
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          No one told us __________，so we need your help．
            
          A．how should we do                                      B．what should we do
            
          C．how to do it                                               D．what to do it
          

			
          
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