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          Why don’t you _________your teacher for help?
          A．a(chǎn)skB．to askC．a(chǎn)skingD．a(chǎn)sks
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：根據(jù)句子中的don’t可知，后面應(yīng)該跟動(dòng)詞原形，故用ask。Why don’t you+do="why" not+do“你為什么不”。本句的意思是“你為什么不向老師尋求幫助呀？”所以本題選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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