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I think playing sports is the best leisure activity for teenagers. Firstly, playing sports can give you a healthy life and a fit body. Furthermore, there are some sports which you can play easily such as table tennis, tennis or football and after that, you feel completely relaxed or even free from your stress. Morever, you can make more friends by encouraging children to play sports. Sports also teach them how to communicate with their teammates, and show them how active and creative they are.
I believe the best leisure activity for teenagers is any group activity. This could be playing a team sport or joining a hobby group or even volunteering. Firstly, teenagers like to feel that thev belong to the group. Secondly, being part of a group helps teenagers make friends. Friendship is very important to teenagers. In addition, they will make friends with people who have the same interests as them. For these reasons, I think group activities are best for teenagers.
In my opinion, reading books is the best leisure activity for teenagers. Firstly, we can learn lots of new things, expend our knowlegde, books also give us many interesting informations. Secondly, reading books train our mind and memory, our imagination will be improved. In addition, there are a lot of kind of books which are suitable for people all of age such as: comics, novel, folk story, science book,...In short, books are not simply informative but also inspirational, teenagers should reading books in their free time.