【答案解析】Dear Helen,
I have read the advertisement and 1 would be very glad to become your pen-friend.
I am a girl of 24. I live with my parents in Beijing. I have a brother who is a computer programmer. I graduated from college two years ago and have been working at the hospital since then. I share the same interests with you. I am also fond of stamp collecting and language learning.
I really want to make more friends, not only in Beijing, in China, but also in other countries. It"s exciting to know different cultures and customs.
I am looking forward to hearing from you.
Yours sincerely,
Wang Lin