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          ________ a lot of trees in this area, but now we can see a tall building instead.
          A．There used to haveB．There used to be
          C．There is used to havingD．There is used to being
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          考查there be結(jié)構(gòu)。句意“這個地區(qū)過去有很多樹木，但現(xiàn)在，取而代之的卻是一棟大樓�！薄斑^去有......”用there used to be表示。There be結(jié)構(gòu)不能和have混用，排除A、C；be used to doing sth.“習(xí)慣于......”，排除D。故選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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