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Its missing head happened to be among remainsof the fifth century B.C.
happen to 偶然, 碰巧(强调事情的偶然发生)
-- I happen to havedriven that kind of car. 我恰巧开过那种车。
-- He happened to find the ticket in hispocket.
It happens that 从句
-- It happened that I met her on my way to work.
=I happened to meet heron my way work.happenon 碰巧碰上
-- I happened on thisold picture in the back of the drawer.
我偶然的在抽屉的背面发现了这张旧照片。
-- Guess, whodid I happen on while I was in London last month?
