Dear Irina,
Thank you for your letter. Sorry for not writting earler, but I was busy with my school. I want tell you for my weekend. At Sunday I and my friens play snowballs and go to ski. When I come to home my mam ask me go to market and buy a bar of chocolate and bottle of woter. At Sataday I do my homework and visit my granny. Tell me pleas about your wekend.
Your, (напиши свое имя)