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          A British official said that_____ this impractical policy could be changed , the future for Britain was indeed dark.
          A．unlessB．whenC．ifD．until
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：考查連詞：A．unless 除非，B. when當(dāng)…時(shí)候， C.if如果，D.until直到，句意：一個(gè)英國官員說：英國的未來會(huì)很黑暗除非這個(gè)不實(shí)用的政策被改變。選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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