What a pity! I _______ in Hainan two more days, but something urgent needed to be dealt with back home.
A. must have stayed B. needn’t have stayed
C. could have stayed D. may have stayed
What a pity! I _______ in Hainan two more days, but something urgent needed to be dealt with back home.
A. must have stayed B. needn’t have stayed
C. could have stayed D. may have stayed
C