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          Don't be afraid of asking for information ________ it is needed.

          1. A.
            when
          2. B.
            after
          3. C.
            although
          4. D.
            unless
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				A
          解析：
          when當……的時候；
          after在……之后；
          although雖然；
          unless除非……。根據(jù)題意選A“在需要的時候不要害怕問問題”。				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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