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          Do you know when the basketball_________?
          A．is inventedB．was inventedC．has inventedD．had invented
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B

          試題分析：句意:你知道籃球是什么時候被發(fā)明的嗎？根據(jù)句意可知，籃球這項運動和動詞invent 之間構成被動的關系，故這里應該用被動語態(tài)，先排除C和D；又根據(jù)句意可知，籃球的發(fā)明應該是過去的事情，故應該用一般過去時。故選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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