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          —Must I return the hook tomorrow morning? —No, you _ .You can keep it longer.
          A．mustn'tB．can'tC．needn't D．couldn't
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          情態(tài)動詞的考察 回答以must引導(dǎo)的一般疑問句，肯定回答用Yes，Sb. must . “是的，……必須”否定回答用No，Sb. needn’t“不，……不必”
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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