1. If you want to be fit you **should** do sport regularly. 2. You have high temperature. You **should** stay at home. 3. If you want to be healthy you **shouldn't** eat junk food. 4. I have a toothache. I **should** see a dentist. 5. You **shouldn't** go to bed late. 6. You **shouldn't** sleep less than 8 hours. 7. You **should** eat fruit and vegetables.