Last week, I forgot to sent the short message to you after i getting back home, and here I do apologize for my behaviour.
I have no reason to make it happen since it would have make you worry about me.Here, I review my mistake behavior and I guarantee that, from now on, I won't make the same mistake, a person can fall, but definitely will notfall in the same place.
I promise to do everything you assigh on time in the future.Hope the teacher give me a chance to correct mymistakes,thank you!