заканчиваете письмо:
Well, I’d better go now as I have to do my homework.
Anyway, I have to go now because my Mum asked me to helpher with the washing up.
I’ve got to go now! It’s time for my favourite TV show.
и упомянуть о дальнейших контактах:
Write (back) soon!
Take care and keep in touch!
Drop me a letter when you can.
Hope to hear from you soon.
I can’t wait to hear from you!