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				32．A．work         B．works        C．working        D．worked			【查看更多】
			


		
     
    


		
    
		
    題目列表(包括答案和解析)
    

		
		
    

    


    
	
    				
    
									
    

    There are many robots ________ in the factory.
    

    [　　]
    

    

    A．work
    B．works
    

    C．working
    D．worked
    

    

    

			
    
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    We have some problems ________ it out．
    

    

    [　　]
    

    A．work
    

    

    B．works
    

    

    C．working
    

    

    D．worked
    

    

    

			
    
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    Dr. Ma used to __________in a hospital.
    


    
 
    
  
  
    A．work
    
      		
  
  
    B．works
    
      		
  
  
    C．worked
    
      		
  
  
    D．working
    
      		
 
    

    


     
    

			
    
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    You will be successful if you ________ hard.
    

    [　　]
    

    

    A．work
    B．worked
    

    C．working
    D．works
    

    

    

			
    
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    I'm too tired and I can't keep _______．
      
    A．work                B．worked              C．working               D．works
    

			
    
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