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          My uncle ________ a worker, but now he _______in an office.
          A．is, wasB．used to, is working
          C．use to be, worksD．used to be, works
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D
          

          解析試題分析：句意：我的叔叔過去是個工人，但是現(xiàn)在他在一個辦公室工作。be used to doing sth 習慣于做……，used to do sth,過去常常做某事。now現(xiàn)在進行時態(tài)的標志，故選D。
          考點：考查動詞的時態(tài)的用法。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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