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          We __________ in the same school since three years ago. 
          A．studyB．were studyingC．will studyD．have studied
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D
          試題分析：句意：自從三年前我們就在同一所學(xué)校學(xué)習(xí)。從時間since three years ago 可知是現(xiàn)在完成時的標致。從過去的一個時間點開始持續(xù)到現(xiàn)在或者是將來，用現(xiàn)在完成時,現(xiàn)在完成時的構(gòu)成是：have+動詞的過去分詞。Study的過去式是studied。故選D。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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