письмо на английском

Hello, dear friend.
Sorry that I did'n write you so long. I visited my granny in the village. It's great! I love my grandmother very much. And I spent this time perfectly! I picked mushrooms and berries. And then my granny made very tasty pies. I would like to share with you.
So, Mark, I have great idea! Yesterday I found some interesting programm in the Enternet. It's called 'exchange programm'. Students from different country can visit foreign countries. And I think you should visit my country. Russia is great country. You should visit it. I live in Moscow. And you could live in my family. I discussed it with my parents and they agreed. They said that they would be happy to receive guest from Canada.
Mark, please, think about my offer.
Good luck.
xoxo, David

Hello, friend! Writes to you David! I invite you to Moscow... -начало уже есть! Далее - сам!

Hi, (name),
that was great to hear that you decided to come over to Russia. You would be most welcome to stay at our home in Moskow.We could show you around the plases of interest that are not far away. It would be a great pleusure doing this... I know this would help you financely as well...As a lot of our hotels are very expensive to stay in and the flight alone would be more than enough to pay out for...!Give my regards to everyone and look forward to seeing you soon.Take care.
All the best. (name)