1. The number of people in this small area will increase quickly in the next 20 years.
2. Solar energy is considered one of the most important energy sources for the future.
3. Does your car run faster than mine?
4. They will introduce new means of transport for the future.
5. Today there is little traffic compared to yesterday.
6. We should ride a bike when traveling short distances.
7. Scientists are looking for new energy sources to replace coal these days.
8. She often goes to school on foot.
9. Will Hyperloop pollute the environment in the future?
10. The UK is famous for its royal family.