Mr. White at 8:00 for the meeting, but he didn’t show up. A. should have arrived B. may have arrived C. could arrive D. should be arriving 查看更多

 

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Mr. White _____ at 8:00 for the meeting, but he didn’t show up.  
[     ]
A. should have arrived            
B. should arrive  
C. should have had arrived        
D. should be arriving

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