ACT 1:
1. I didn’t go to school because I was sick.  ->I was sick, so I didn’t go to school.

2. It will be good if you eat less meat and more vegetables.

-> You should eat less meat and more vegetables

3. He likes playing computer games in his free time.à His hobby is playing computer games

4. I am interested in watching TV in the evening.à I enjoy watching TV in the evening
5. My brother enjoys coffee very much.

- Coffee is my brother favorite drink.
ACT 2:
1. Mr. Hai usually has stomach problems. He eats dinner very close to the bed time ( so )

=> Mr. Hai eats dinner very close to the bed time, so he usually has stomach problems.

2. My dad has a lot of carved eggs. He has never sold any of them ( but )

=> My dad has a lot of carved eggs but he has never sold any of them.

3. You will get a breathing problem. Clean your bedroom more regularly ( or )

=> Clean your bedroom more regularly or you will get a breathing problem.