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
What a pity! I in Hainan two more days，but something urgent needed to be dealt with back h
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解决时间 2021-04-04 21:47
- 提问者网友：太高姿态
- 2021-04-04 11:08
最佳答案
- 五星知识达人网友：鱼芗
- 2021-04-04 11:13
A. must have stayedB. needn't have stayedC. may have stayed(答案→)D. could have stayed解析：must have done对过去发生的事情的肯定推测，只用于肯定句；needn't have done“本不需要做某事，结果做了”；may have done对过去发生的事情的语气不是很肯定的推测，只用于肯定句；can have done用于肯定句意思是“本来能够做某事，但是没做”；用于否定句和疑问句表示对过去发生的事情的推测。由句意可知要用D项。
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- 1楼网友：过活
- 2021-04-04 12:27
好好学习下
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