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          Is _______ necessary_______ the workers wear uniforms at work?
          A. it, for          B. this, to       C. it, that
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：對(duì)于工人們來(lái)說(shuō)上班穿制服是有必要的嗎？It is +形容詞+for sb to do 對(duì)于某人來(lái)說(shuō)做某事是怎么樣的，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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