Thank you for bringing this for discussion...

來源: 同學小薇 2013-01-10 10:54:47 [] [博客] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (139 bytes)
本文內容已被 [ 同學小薇 ] 在 2013-01-11 02:08:08 編輯過。如有問題,請報告版主或論壇管理刪除.
回答: 同學小薇: A follow-up to your questionhammerheadshark2013-01-10 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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