1. To stay healthy you eat more vegetable and eat less high - fat food.
2. To prevent flu we eat a lot of garlic and we keep our bodies expecially feel warm.
3. It began to rain, so I opened my umbrella.
4. It began to rain; however, he didn't open his umbrella.
5. He wored hard, so he could earn much moneys.
6. Study hard or you will fail the exam.
7. Dan didn't study for exam but Lan did.
8. I understand your point of view but I don't agree with it.
9. He lied to her; however, she still likes and trusts him.
10. It began to get dark, so I turned on the light.