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				27．Children are standing    and getting on the bus．  A．on line     B．in a line        C．on a line     D．in line			【查看更多】
			


		
     
    


		
    
		
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    Children are standing ________ and getting on the bus.
    

    [　　]
    

    

    

    A．on line
    		


    B．in a line
    		

    

    

    C．on a line
    		


    D．in line
    		

    

    

    

    

			
    
				查看答案和解析>>
			
    
		
    
				
    
									
    

    Children are standing ________ and getting on the bus.
    

    [　　]
    

    

    

    A．on line
    		


    B．in a line
    		

    

    

    C．on a line
    		


    D．in line
    		

    

    

    

    

			
    
				查看答案和解析>>
			
    
		
    
						
    
				
    
	
    
	
    
		
    


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