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          Miss Lin ____  a lot of work for the poor area for about 10 years.
          A．doesB．did
          C．has doneD．will do
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：在大約十年的時間里，林女士已經(jīng)為這個貧困地區(qū)做了許多工作。分析：結合句意在十年的時間內已經(jīng)做了許多工作，體現(xiàn)現(xiàn)在完成時，現(xiàn)在完成時構成：have/has done(動詞的過去分詞).主語是單數(shù)第三人稱，因此用助動詞has.故選C
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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