You are a teacher. Another teacher Mr. Wong has given your class a wonderful demonstration yesterday. Write a letter to thank him for his great performance and express your appreciation.

It is said that the police are to begin ticketing jaywalkers(乱穿马路的人). Write a letter to the editor(s)of your local newspaper to 1)give your opinions briefly, and 2)make two or three suggestions.

Write a letter to a company declining a job offer. In your letter, you should appreciate the job offer, and state your reason(s)for declining it.

You applied to New York Institute of Technology, but were denied. Write a letter to ask the reason. You should write in your letter the way to contact you.

You are a teacher. Another teacher Mr. Wong has given your class a wonderful demonstration yesterday. Write a letter to thank him for his great performance and express your appreciation.