第一句中的 telling you about it 為伴隨狀語；第二句中的asking about our discussion為定語修飾your letter。
asking about…的邏輯主語是 your letter。
Thank you for your letter asking about our discussion.= Thank you for your letter which asked about our discussion.
主題：：
：2011/6/12 7:22:09
I will write back telling you about it.
回復：：
返回列表