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


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          

          解析試題分析：句意：當(dāng)她被請(qǐng)去會(huì)議上發(fā)言時(shí)，她不知道她怎樣表達(dá)清楚。what什么；why為什么；how怎樣；whether是否。根據(jù)題意，故選C。
          考點(diǎn)：考查賓語(yǔ)從句連詞的用法。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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