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          My classmates _____ our classroom. Look! It’s very clean.
          A．have cleaned B．will clean 
          C．is cleaning D．cleaned 
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          

          解析試題分析：句意：我的同學們打掃了我們的教室�？�！它非常干凈。clean發(fā)生在過去，對現(xiàn)在的影響是教室很干凈。所以句子用現(xiàn)在完成時態(tài)。故選A。
          考點：考查現(xiàn)在完成時態(tài)。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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