Thank you for bringing this for discussion...

来源: 同学小薇 于 2013-01-10 10:54:47 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (139 bytes)
本帖于 2013-01-11 02:08:08 时间, 由版主 林贝卡 编辑
回答: 同学小薇: A follow-up to your question 由 hammerheadshark 于 2013-01-10 09:39:14

I am not sure about tone... maybe "be careful" isn't a verb phrase here, that's why no need to have a "to" before it?

 

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