1)If doing some sporth you are health,fit and have awesome body.Yes,Im good at volleyball and tennis.Yes, one month ago I took part in a volleyball competition and our team was the second.
2)Maybe because sport is a hobby for many people and they enjoy spending time with sport training.
3)When you spending quite a lot of time to  run,rock press and cower the sport keep you fit.
4)I think football and tennis is the most popular sports in Great Britain and Russia.
5)I prefer playing volleyball,because Im good player.Both,Im practicing and waching volleyball.
6)I think so,Im proud of being a fan.
7)Yes,I  wached football and horse riding competitions at the stadium.It was great.
8)No,I dont know.
9)I can name 6 summer sports, 5 winter sports,4 indoor and 1 outdoor.
10)a)synchronous swimming
b)diving
c)swimming
d)volleyball,football
e)darts,golf