You borrowed some recent issues of U. S. business magazine from your professor a month ago, but delayed returning them. Write a letter of apology to your professor, stating your reasons for the delay and expressing your thanks.　　Write your letter in no less than 100 words. Write it neatly onANSWER SHEET 2.Do not sign your own name at the end of the letter. Use "Li Ming" insteaD、You do not need to write the address. (10 points)