II. Rewrite the sentences so that they have the same meaning as the original ones.
1. Although she eats lots of food, she is still very slim.
=> In spite of......................
2. We will be using biogas for cooking and heating at this time next month.
=> Biogas ........................
3. A group of foreigners visited the slums last week, didn’t they? (VISIT)
4. The countryside doesn’t suffer as much pollution as the city. (LESS)