1. We study. We have a test tomorrow. *have to
2. You watch too much TV. *mustn't
3. You eat fruit and vegetables for healthy diet. *have to
4. I put on weight. I haven't decided yet, but I _ go to the gym in the afternoon. *might
5. You are ill. You _ stay at home for two weeks as the doctor said. *have to
6. I won't go to the cafe. I _ stay at home, because I have a terrible flu. *must
7. In England you drive on the left. *have to
8. Do you have a minute? I talk to you about your diet. *need to
9. Take off all your business! It's very important! I talk to you right now! *have to
10. Hello! Is anybody at home? There __ be anyone in the house. *might not