Apology Letter
詞彙：
apologize to sb. for sth. 因爲...向某人道歉
awfully 非常
behavior 行爲
excuse 藉口
failure 失敗
fault 錯誤
forgive 原諒
ignorant 無知的
inconsiderateness 不顧及他人
inconvenience 不方便
make an apology 道歉
make up for it 彌補
misunderstanding 誤解
negligent 疏忽的
offend 冒犯
overlook 忽略
regret後悔
remedy 補救
remove 消除
shoulder the responsibility 承擔責任
thoughtless 欠考慮的
句型：
1) I am awfully/terribly sorry for what I have done.
2) I feel very guilty for what I have done to you.
3) I am afraid what I have done has caused many inconveniences to you.
4) I regret to inform. you that I am unable to do
5) Please accept my most cordial and humblest apologies foronce more.
