Структура написания письма личного характера

Flat 5
55 Generala Belova
Moscow
Russia
15 December 2016
Dear Mary,
Thank you for your letter. Sorry, I haven’t written you for a long time. I was busy at school.
I’d like to tell you about…. .
…………………………………………………………………….
……………………………………………………………………
And what about you? ..............+3 questions.
I should hurry up. It’s time to do my homework.
Hope to hear from you soon.(Write soon again.)
Best wishes,
Ann