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          We have been studying English             .
          A.since two years     
          B. since two years ago     
          C. for two years ago.
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B

          試題分析：句意為：兩年前我們就在學(xué)習(xí)英語。since+時(shí)間點(diǎn)或since+時(shí)間段+ago，for+時(shí)間段。結(jié)合選項(xiàng)可知應(yīng)選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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