Choose one of the following topics and talk in about 1 - 2 minutes. (7 points)
1. Do you think it’s better to live in the city or the countryside? Why (not)?
2. Which Tet activities do you like the best? Why?
3. What are some common causes of land/air/water pollution?
4. What should we do to reduce land/air/water pollution?
5. What types of disasters happen in your country?