Краткое пояснение: Заполним пропуски в предложениях, используя правильную форму модальных глаголов have to, don't have to или mustn't.
- In many African countries you have to use your right hand to eat - you mustn't eat with your left hand.
- In some countries, like Germany, you mustn't cross the road when the light is red. You have to wait for the green light. In other places you can cross the road when you like - you don't have to wait for the green light.
- In Switzerland you mustn't throw things on the street - you have to put them in a bin.