UNIT 3. IT’S TASTY! » Стр.53 (2)

Доповніть речення словами «must» або «mustn't'». Поясніть свій вибір. 1. You mustn't eat and speak at the same time. 2. You must wash your hands before eating. 3. You mustn't lick your knife and put it in your mouth. 4. You mustn't eat with your fingers. 5. You mustn't eat loudly. 6. You must use a napkin to clean your mouth. 7. You mustn't leave the table while the others are still eating. 8. You must let an older person take food first. 9. You mustn't sing or whistle while you are eating. 10. You mustn't try not to make a mess around your plate.