Rewrite the sentences.
1. Vietnam lost fewer hectares of forest per year than Brazil.
2. W spend less time to drive to work than we used to.
3. My car uses fewer litres of fuel to travel 100 km than his car.
4. The government needs to find a solution to have traffic jams reduced.
5. How many people are there in Ho Chi Minh City?
6. They used to love going out at the weekend, didn't they?
7. Crime rates in rural areas are lower than those in cities.
8. Overpopulation is more dangerous than most people think.
9. Everyone is affected in different ways by crime.
10. There are only a few people who still want to stay in the village.