1. If we do not keep the environment clean, we will suffer from pollution.
2. I have not visited my native village since I was 10
3. Self-driving cars drive more carefully than humans
4. They are only few people who don't want to stay in the village
5. Los Angeles has the population of over 3 millions
6. Flying cars will be used to travel across the globe some day
7. Developed countries have less population problems than developing countries
8. Veronica is a good friend of mine
