Dear Mr(Mrs, Miss) Lee,
I am just wondering if I can have one day off tomorrow because（因为）.
Dear ( ) Lee,
Please excuse me from class tomorrow, I have to（我需要）.
后面的因为或者我需要你可以不用加,但是一般都得加个理由的.
李老师,我明天可以请一天假吗?用英语怎么说
Dear Mr(Mrs, Miss) Lee,
I am just wondering if I can have one day off tomorrow because（因为）.
Dear ( ) Lee,
Please excuse me from class tomorrow, I have to（我需要）.
后面的因为或者我需要你可以不用加,但是一般都得加个理由的.