a)
- swim
- go shopping; meet friends
- listen to music; read a book
- play the guitar
b)
- go to a concert, meet friends, play football
- go for a walk, go shopping, go to a concert, go to the gym, play football, sunbathe, swim
- cook, listen to music, play games online, play the guitar, surf the Internet, watch TV / a DVD
c)
At home
- cook
- listen to music
- meet friends
- play games online
- play the guitar
- read a book or magazine
- sunbathe
- surf the Internet
- text friends
- watch TV / a DVD
In the park
- go for a walk
- go to a concert
- listen to music
- meet friends
- play the guitar
- play football
- read a book or magazine
- sunbathe
- text friends
At the shops
- go shopping
- meet friends
- text friends
At a club / nightclub
- go to a concert
- listen to music
- meet friends
- text friends
At a sports centre / swimming pool
- go to the gym
- meet friends
- play football
- sunbathe
- swim