7. **You have to wait for the doctor a few minutes.**
8. **Do you want to know how to stay healthy?**
9. **It's good for you to drink a lot of water through the day.**
10. **You should go and see the doctor when you'll need to.**
11. **If you have a temperature, you should stay in bed.**
12. **You should take part in outdoor activities with their friends.**
13. **They are going to build a new hospital in my neighbourhood.**
14. **Hoa was tired when she caught a bad cold two days ago.**
15. **Yesterday, he stayed at home because he was sick.**
16. **Yesterday, he stayed at home because he was sick.** (This sentence is already correct.)
17. **Some people have a bad habit of eating too much fast food.**
18. **I don’t want to be tired tomorrow, so I go to bed early.**
19. **Doctors say everybody should start the day with a healthy breakfast.**
20. **Doctor, start saying everybody should start the day with a healthy breakfast.**
#yuno