1. there are 4 seasons. 2. yes, they do. 3. because of good weather. 4. I think yes. 5. i went mountains with my friends. 6. it is so cold and wet. 7. yes, of course. 8. unfortunately no. 9. I prefer to walk. 10. in winter, the bad side is cold, and you can easily get sick, however, you can play with your friends snowballs, in spring, there is so many fresh air and incalculably weather, in summer, too hot but you can swim, in autumn you can relax with fresh air and with fresh fruits. 11. Because in summer they can relax, from study or job. 12. spring. 13. summer and winter