Exercise 16. Combine the sentences using an appropriate coordination conjunction and, or, but, so.
1. To stay healthy, you eat more vegetable. You eat less high-fat food.
2. To prevent flu, we eat a lot of garlic. We keep our bodies especially feet warm.
3. It began to rain. I opened my umbrella.
4. You should eat less junk food. You will put on weight.
5. He worked hard. He could earn much money.