You have read in a local newspaper about a post of tour guide for the summer holiday in a travel agency. Write a letter of application to Mr. Rochester, the human resources manager of the travel agency. In the letter, tell him about ① your interest in the post, ② your qualifications, including your educational background, and ③ relevant experiences. Don’t forget to tell him your phone number (555-5555) and your email address (liping@123.com). Please sign your name as Li Ping. (150-200 words)