1. What type of energy is wind ?
2. What type of energy is coal ?
3. Where is Diwali - a festival of light celebrated ?
4. When is La Tomatina held on ?
5. Why did people have to wear goggles ?
6. How was the town square ?
7. Why did he save money ?
8. How do Vietnamese decorate their house during Tet ?
9. Why should we turn off the lights and electric devices ?
10. What should people use instead of the ordinary bulbs ?
