1. I am not interested in chatting with strange people
2. My friend usually plays volleyball in the fall, but she sometimes goes sailing with Jenny
3. They are going to visit Ha Long Bay this vacation
4. You had better not eat too much candies because they are not good for your teeth
5. The air in the country is fresher than the air in the city
II
1. How can visitors get to Dau Go cave?
2. What is the highest mountain in the world?
3. What is the length of the Nile River?
4. When was Son Doong cave entrance discovered?
5. Where does your family usually go to on the first day of Tet?
