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來源: 於 2010-12-30 14:31:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

How come 有沒有過去時？

比如說, How come he failed the exam?

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"How come" = (informal) "why".

How come he failed the exam?

Why did he fail the exam?