I)
1 A
2 A
3D
4 D
5 B
II)
1. swimming.
2. music.
3films
4.basketball.
5. photography..
6. books.
7. skating.
III)
John (1)has a lot of hobbies. He (2) ..plays. chess at school and he also (3) ..goes. skating. After dinner, he (4) .goes... for work and he (5) ...listens.. to music every evening in his room. John loves sports. He (6) ..does... athletics at school, and he (7) ...plays... football after school. On Saturday, John and his friends (8) ....go.. swiming. On sundays, thay (9) ..play... basketball in the park. On Sunday evenings. They sometimes (10) ..watch... a film.
IV)
1.C
2.A
3.B
4.D
V)
1. Because It can help to increase your strength and energy, giving you a stronger heart.
2. Because You don't carry the weight of your body in your feet when cycling
3.If you do too quickly, you can have bad effects.
4. You should cycle twice or three times a week.
5. If you find you are a pain , you will stop and take a rest.