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				26．―When did you become a volunteer?  ―Two years ago．I              this group since then．A．have joined in                 B．have joined to C．have been in               D．have been to			【查看更多】
			


		
           
          


		
          
		
          題目列表(包括答案和解析)
          

		
		
          

          


          
	
          				
          
									
          --When did you become a volunteer for the
elderly?
          


          -- Two years ago. I ______ this group since
then.
          


          
 
          
  
  
          A．joined
          
            		
  
  
          B．took part in
          
            		
  
  
          C．have joined
          
            		
  
  
          D．have been in
          
            		
 
          

          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          --When did you become a volunteer for the
elderly?
          


          -- Two years ago. I        this
group since then.
          


          
 
          
  
  
          A．joined
          
            		
  
  
          B．took part in
          
            		
  
  
          C．have joined
          
            		
  
  
          D．have been in
          
            		
 
          

          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          --When did you become a volunteer for the
elderly?
          


          -- Two years ago. I        this
group since then.
          


          
 
          
  
  
          A．joined
          
            		
  
  
          B．took part in
          
            		
  
  
          C．have joined
          
            		
  
  
          D．have been in
          
            		
 
          

          


           
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          --When did you become a volunteer for the elderly?
          -- Two years ago. I ______ this group since then.
          A．joinedB．took part inC．have joinedD．have been in
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          --When did you become a volunteer for the elderly?
          -- Two years ago. I        this group since then.
          A．joinedB．took part inC．have joinedD．have been in
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


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