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           John usually relaxes himself by _______ after he finishes his homework.
          A．going onlineB．played soccerC．listen to musicD．to watch TV
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：句意：John做完作業(yè)后經(jīng)常上網(wǎng)來放松自己。介詞by，表示通過某種方式，后面接動詞的ing形式，故選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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