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          She didn’t know__________she could express her ideas clearly when she was invited to speak at the meeting.
          A．whatB．whyC．how D．whether
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：當(dāng)她被請去會議上發(fā)言時，她不知道她怎樣表達清楚。what什么；why為什么；how怎樣；whether是否。根據(jù)題意，故選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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