We ______ ; we followed the boss into the hall as his guests. How lucky we were!
A. didn’t need to wait B. needn’t have waited
C. must have waited D. couldn’t have waited
We ______ ; we followed the boss into the hall as his guests. How lucky we were!
A. didn’t need to wait B. needn’t have waited
C. must have waited D. couldn’t have waited
A