4 . Useful language
Where can I sign up?
Can I ask you a few things about (...)?
What about ... ?
What do I need to bring?
How long is ...?
Does the price include (...)?

нужные слова
river rafting
canyoning
skiing
walking behind a waterfall
jumping into water
sailing
playing in a concert
going on a rollercoaster

Complete the letter with the prepositions in , from , of , for or with if necessary. 
It was si nice to hear .. you! i would like to tell you ...of my weekend. last sunday i went to visit ... my grandma ... my parents. we missed ... her very much. she lives ..in . the country in her own house. she was very glad to see us. i took a lot ... of  oictures ..from. my family and ... myself. .in.. the evening we made a fire and sang old Russian songs. when you come here ... next time we`ll visit ... my grandma ..with. you. please write me , of... your weekend. 
Best wishes ..from. us all.

Dear Mary,
Thank you FOR your letter.It was so nice to hear FROM you! I would like to tell you ABOUT my weekend. Last Sunday I went to visit my grandmother WITH my parents. We missed her very much. She lives IN the country in her own house.She was very glad to see us. I took a lot OF pictures OF my family and OF myself. IN the evening we made a fire and sang old Russian songs. When you come here next time we'll visit my grandmother WITH you. Please write to me ABOUT your weekend.
Best wishes FROM us all.
Yours,
Liz