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          It is very important for us ________ English well.
          A．learnB．learningC．to learnD．learned
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          本題中的it是形式主語，真正的主語位于句尾，用動詞不定式to do，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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