dear manager,
i learned from the newspaper that you company want to fire a manager assistant,and i want to apply for the positant. i'm interested in this job very much. i'd like to get this job.
now i'd like to introduce myself to you. my english name is andy. i'm 21 years old. i'm healthy.
i am really interested in learning business practice. i will try my best to be a diligent worker and a fast learner. if given a chance,i am sure i can prove my worth in your company.
if you agree with me. i'll work hard and try to be a good manager assistant.
sincerely yours,
andy