题目内容
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. may have stayed D. could have stayed
D
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题目内容
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. may have stayed D. could have stayed
D