1. You your mobile phone to school. 2. You late for school. 5. You a helmet when you ride a bike. 9. You the speed limit. 13. You warm clothes in winter. 6. You gum in class. 10. You loudly in a library. 14. You in the exams. 3. You hamburgers and chips very often. They are unhealthy. 4. You your dentist every six months. 7. You your teeth after every meal. 11. You your parents with the housework. 15. You more fruit and vegetables. 8. You litter on the floor. 12. You television too much. 16. You cigarettes. They are bad for your health. must/mustnt

Привет! Похоже, тебе нужно использовать слова "must" или "mustn't" для того, чтобы правильно закончить предложения в твоём задании. Давай я помогу тебе! Итак:

1. You mustn't take your mobile phone to school.
2. You mustn't be late for school.
3. You mustn't eat hamburgers and chips very often. They are unhealthy.
4. You must visit your dentist every six months.
5. You must wear a helmet when you ride a bike.
6. You mustn't chew gum in class.
7. You must clean your teeth after every meal.
8. You mustn't litter on the floor.
9. You must obey the speed limit.
10. You mustn't talk loudly in a library.
11. You must help your parents with the housework.
12. You mustn't watch television too much.
13. You must wear warm clothes in winter.
14. You mustn't cheat in the exams.
15. You must eat more fruit and vegetables.
16. You mustn't smoke cigarettes. They are bad for your health.

Надеюсь, это поможет тебе с заданием! Если есть ещё вопросы или нужна помощь, спрашивай. Удачи с учёбой!