题目内容
What a pity! I ______ with my colleagues when I was in Tibet, but I stayed in a hotel.
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 ______ with my colleagues when I was in Tibet, but I stayed in a hotel.
A. must have stayed B. needn’t have stayed
C. may have stayed D. could have stayed
D