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				27．-Why hasn’t Mr．Green showed up at the meeting yet?    -I’m not sure.but he   in a traffic jam driving here．    A．could be caught         B．can be caught  C．might have been caught      D．must have caught			【查看更多】
			


		
           
          


		
          
		
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          —Why hasn’t Mr. Green showed up at the meeting yet?
            
          —I’m not sure，but he         in a traffic jam driving here．
            
          A．could be caught                                              B．can be caught
            
          C．might have been caught                                     D．must have caught
          

			
          
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          —I wonder why Mr Green hasn't showed up at the meeting
yet.
          


          —I'm not sure，but
he________in a traffic jam driving here.
          


          A．could be stuck  B．might have been stuck
          


          C．might be stuck  D．must have been stuck
          


           
          

			
          
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          ---I wonder why Mr Green hasn’t showed up at the meeting yet.
            
           ---I’m not sure, but he _______ in a traffic jam driving here.
            
           A. could be stuck　　　  B. might stuck
            
          C． might have been stuck D. must have stuck
              
           
          

			
          
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