Dear Ms Wang,
I beg to apply for seven days’ leave /one week’s leave of absence from the 4th to 10th of this month. Because my father is seriously ill now, so I want to return home to see him.
To support my application, I enclose the fax my sister sent. Yours respectfully, Li Fei
亲爱的王小姐，
我请求请七天假/一个星期的假，从第四到第十本月。因为我的父亲病得很严重，所以我想回家看望他。
支持我的申请，我将传真我姐姐送。
谨启，
李菲