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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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