Sure! Here are topic presentations for each of the three subjects you need.

### Topic 1: Leisure Time
**a. What are your leisure activities?**
In my leisure time, I enjoy reading books, watching movies, and playing sports. I also like to spend time with my friends, going out for walks, or playing video games.

**b. Why do you enjoy doing these activities?**
I enjoy reading because it allows me to explore new worlds and ideas. Watching movies is a great way to relax and enjoy storytelling. Playing sports keeps me active and healthy while also providing fun competition. Spending time with friends helps me build connections and creates cherished memories.

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### Topic 2: Life in the Countryside
**a. What are the advantages and disadvantages of living in the countryside?**
The advantages of living in the countryside include fresh air, beautiful landscapes, and a quieter lifestyle. It often leads to a stronger sense of community. However, disadvantages include fewer job opportunities, limited access to healthcare, and less entertainment and social activities.

**b. Do you like living in the countryside or in the city? Why?**
I prefer living in the city because of the convenience it offers. There are more job opportunities, cultural activities, and social interactions. However, I appreciate the tranquility of the countryside and would enjoy spending weekends there to relax.

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### Topic 3: Teenagers
**a. Name some problems that teenagers often have nowadays.**
Teenagers today face various challenges, such as academic pressure, mental health issues, and social media influence. Many feel overwhelmed by expectations to perform well in school, which can lead to stress or anxiety.

**b. What is your stress and pressure? What can you do to solve the problem?**
My main source of stress is the pressure to achieve good grades and balance extracurricular activities. To cope, I manage my time better, practice relaxation techniques like mindfulness, and ensure I take breaks to maintain a healthy balance between work and relaxation.

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Feel free to adjust any parts to better reflect your personal style or experiences! Good luck with your presentation!