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          I think it’s important ______ healthy.               
          A．keepB．keepingC．keepsD．to keep
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          D
          整個(gè)句子是賓語(yǔ)從句。分析從句，it是代詞，是句子的形式主語(yǔ)，真正的主語(yǔ)是不定式to keep healthy，選D.
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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