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				 When a driver sees the sign he         stop.  He         go on.A. must; mustn't       B. mustn't; must       C. can; can't    D. can't;  can			【查看更多】
			


		
           
          


		
          
		
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          When a driver sees the sign STOP, he ________ stop．He ________ go on．

          1. A.
            must; mustn’t
          2. B.
            mustn’t; must
          3. C.
            can; can’t
          4. D.
            can’t; can
          

			
          
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