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          You can make a complaint to the local government ____you are happy with the way things are. 
          A．unlessB．ifC．onceD．a(chǎn)s
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：此處unless除非…… ；if 如果； once 一旦；as 當(dāng)……。句意：你可以抱怨當(dāng)?shù)卣悄銓κ虑榈奶幚矸绞綕M意。根據(jù)選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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