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          (2013·濟(jì)南一模)________ you are unable to deal with it, perhaps we should ask someone else for help.
          A．Although B．While
          C．Since D．Unless
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          選C　考查狀語從句。句意：既然你不能處理此事，我們也許應(yīng)該請別人來幫忙。since“既然，由于”，符合句意。although“盡管”；while“當(dāng)……時(shí)”；unless“除非”。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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