Dear Miss Nancy,
Much to my regret I was unable to keep my promise to attend your birthday party last Saturday, owing to the fact that my little son was suddenly taken ill early that day.
Hoping to see you soon.
Truly yours,
Tom
Dear Frank:
I am terribly sorry to tell you that I have lost the valuable book you were so kind to lend me last week. I read it everyday and intended to finish it next month. Last night when I came to my room, it was nowhere to be found. I will try to recover it as soon as possible. If I fail to find it, I will get a new book for you.
But I am afraid it can never take the place of the old one. Old books are like old friends. Once lost, they can never be replaced. They are connected with cherished associations which the new ones can never have. And for this irrecoverable loss, I am to blame. I was so careless with my things. This is a warning to me to be more careful in the future.
Yours truly,
Tom
Dear Mr. Wang,
I am writing to apologize for my late homework. The paper which you have assigned to us last Monday was due this Friday, but to my regret, I haven't even started it yet. I feel really sorry for not handing in the paper on time and for the inconvenience it would bring to you.
I have caught a serious cold last week and the doctor asked me to stay in bed for a week since I was very weak and the weather was very cold these days. Therefore, I couldn't go to the library to get the necessary referential information which was needed for my paper. As a result of this, I have not started writing the paper yet and could not hand it in on time.
Fortunately I have finally fully recovered. I will finish the paper as soon as I can and try my best to hand in homework on time in the future.
Sincerely yours,
Li Ming