A.He knew this beforehand. B.He judged from time zones. C.He made such a judgment so as to Wang. D.He gave such an explanation because he analyzed the speeds of sound and electricity.
【简答题】The other day I was talking to a stranger on the bus; he told me that he had a good in Chicago and he wondered if, by any chance, I to know him. For a moment, I thought he might be , but I could tell ...