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          By the time of last year, she ______ the piano for five years.
          A．learntB．has learntC．had learntD．will learn
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：到去年為止，她已經(jīng)學(xué)習(xí)鋼琴五年了。結(jié)合語境可知本描述的是一直持續(xù)到去年的動作，故用過去完成時態(tài)，選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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