✔ 最佳答案
To Mr.XXX/Mdm. XXX(someone/Teacher),
Letter of Apology(Caption-centre and underline)
I regret to say that I forgot to bring the text book of (SubjectName /History/Chi...)
back to school today. I really am sorry and promise it won't happen again. Could you forgive me, please.
Yours Sincerely,
XXXXXXXX
Student of F1A