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          It is necessary for us________ good habits in our daily life.
          A．keepB．to keepC．keepingD．kept
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          考查句型：it’s+形容詞+for sb to do sth表示對某人來說做某事怎樣。It 作形式主語，真正的主語是后面的不定式，句意：在我們的日常生活中對我們來說保持良好的習(xí)慣是必要的。所以選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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