The train is to start soon and MIke hasn't arrived. What____ have happened to him?A. may B.might C.can D.should答案为什么选C?

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The train is to start soon and MIke hasn't arrived. What____ have happened to him?A. may B.might C.can D.should答案为什么选C?
The train is to start soon and MIke hasn't arrived. What____ have happened to him?
A. may B.might C.can D.should
答案为什么选C?

The train is to start soon and MIke hasn't arrived. What____ have happened to him?A. may B.might C.can D.should答案为什么选C?
may might表可能性.CAN是表猜测的.SHOULD 应该.
句子意思是表示对过去发生的事情的猜测.所以用CAN