I) 1. When were the Extreme Games or X games held?
2. Which Olympic event is an extreme sport?
3. What are two main forms of BMX?
4. Who invented roller skates?
5. When did the first BMX magazine come out?
II) 1. the worst
2. more expensive
3. the most crowded
4. longer
5. fastest
6. slower
7. easier
8. the most
III) 1. is; is staying; stays
2. lost
3. was working; rang
4. had; have left
5. stayed
6. hasn't been smoking