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				29．My father bought me a MP4.but I don’t know        it． A．when to use B what to  use  C．where to use  D．how to use			【查看更多】
			


		
           
          


		
          
		
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          My father bought me a MP4，but I don’t know ________ it．
            
          A．when to use           B．what to use            C．where to use          D．how to use
          

			
          
				查看答案和解析>>
			
          
		
          
				
          
									
          My father bought me a MP4，but I don’t know ________ it．
            
          A．when to use            B．what to use             C．where to use           D．how to use
          

			
          
				查看答案和解析>>
			
          
		
          
						
          
				
          
	
          
	
          
		
          


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