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				4．Must I finish my homework first?			【查看更多】
			


		
     
    


		
    
		
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    — Mum, must I finish my homework first? 
    — No, you _______. 
    

    [     ]
    A. can't
    B. mustn't 
    C. couldn't 
    D. don't have to. 
    

			
    
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    ---Must  I finish my homework now?
        
    --- No, you __________. You may have a rest  first.
        
    　　 A.  mustn’t　 B. can’t　  C. may not　 D.  needn’t
        
                     
    

			
    
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    — Mom, must I finish my homework now?
    — No, you ______. You may have supper first.
    A. mustn’t      B. needn’t      C. can’t
    

			
    
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    — Mom, must I finish my homework now?
        
    — No, you ______. You may have supper first.
        
    A. mustn’t　　  　　　  B.  needn’t 　　　  　  C. can’t
            
                     
    

			
    
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    — Mom, must I finish my homework now?
    


      —
No, you ______. You may have supper first.
    


    A. mustn’t      B.
needn’t      C. can’t
    


     
    

			
    
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