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				       some English-learning websites if you are free, and you will learn a lot about how to study English.  A. Having visited B. To visit      C. Visit       D. Visiting			【查看更多】
			


		
           
          


		
          
		
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          30.________some English-learning websites
if you are free, and you will learn a lot about how to study English.
          


          
 
          
  
  
          A．Having visited
          
            		
  
  
          B．To visit
          
            		
  
  
          C．Visiting
          
            		
  
  
          D．Visit
          
            		
 
          

          


           
          

			
          
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          30.________some English-learning websites if you are free, and you will learn a lot about how to study English.
            
             A. Having visited      B. To visit      C. Visiting      D. Visit
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          ______some English-learning websites if you are free, and you will learn a lot about how to study English.
          A. Having visited              B. To visit                  C. Visit                      D. Visiting
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									

          30.________some English-learning websites if you are free, and you will learn a lot about how to study English.
          A．Having visitedB．To visitC．VisitingD．Visit
          

			
          
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