第1个回答 2011-05-05
1. I am writing to ask if it is possible that I could do/finish/submit...... until....(时间)。
不直接说明“推迟”,只表示能在什么时间完成(间接表示推迟)。
2. I am writing to ask if it is possible that I could postpone ....(直接说出要推迟,如一楼所说~)
ps 我个人常用 “i am writing to ask if it is possible that……",觉得比较礼貌正式。