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          You may ask the teacher for help ____ difficulty.
          A．in case ofB．in the case ofC．in any caseD．in no case
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A
          本題的含義是你萬一遇到困難，你可以向老師尋求幫助，in case of表示如果，萬一的意思，故本題選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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