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				4．Be careful with knives, or  you           cut your fingers．A．can            B．have  to         C．must          D．may			【查看更多】
			


		
           
          


		
          
		
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          Be careful with knives, or you _________ cut your fingers．
            
          A．can                        B．have to                 C．must                    D．may
          

			
          
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