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          Food safety is important. Rules _____ to stop people from food pollution.
          A．must makeB．must be madeC．mustn’t makeD．mustn’t be made
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B

          試題分析：句意：食品安全很重要。必須制定措施保護人們遠離食品污染。結(jié)合語境可知本句主語是動作對象，故用被動語態(tài)，選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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