Dear Ben,
Thank you for your letter. I am glad to get it. Sorry for not writing. I was busy.
You asked me about my life. Well, I live in a big city. There are many shops and people and I like it. People never feel uncomfortable here. I'd like to live in Moscow when I finish school because of the lots of abilities.
By the way, I'd like to ask you some questions. What is your favourite city?Why do you like it? What do you want to do after school?
Well, I have to go. Write me soon.
Best wishes,
(твое имя)