1. Hanoi has more population than Hai Phong.
2. The countryside has less jobs than a big city.
3. More students will move here to study in this new school.
4. Big cities suffer from more pollution than the countryside.
5. In the future, there will be more clean water for people.
6. I have more pocket money than my brother.
7. He eats more vegetables and fruit than his wife.
8. The doctor advised the kid to eat less sweets to be healthy.
9. There are fewer cars in this town than in my city.
10. Mr. Smith does less exercise than he should.