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          John, you          play with the knife, or you          hurt yourself.
          A．won’t; can’tB．mustn’t; may
          C．shouldn’t; must D．can’t; shouldn’t
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          此題考查情態(tài)動(dòng)詞的基本用法。Mustn’t表示禁止做某事，may表示可能。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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