Fill in the gaps with mustn't or don't/doesn't have to. (Заполни пропуски глаголами mustn't или don't/doesn't have to.)

Решение:

В этом упражнении нужно выбрать между mustn't (запрет) и don't/doesn't have to (отсутствие необходимости).

1. You don't have to do all the exercises in this Unit. Exercise 3 is your homework.
2. You mustn't use your mobile phone during the lesson.
3. I mustn't tell this secret to anyone.
4. Alice doesn't have to get up early today because it's a holiday.
5. Nick doesn't have to forget to post this letter.
6. My mum doesn't have to wash the dishes. I do it.
7. We don't have to hurry. There's a lot of time.
8. Jane doesn't have to wear a school uniform. They can wear dresses or jeans at her school.
9. They don't have to do arts this year. They study music instead.

Ответ: 1. don't have to, 2. mustn't, 3. mustn't, 4. doesn't have to, 5. doesn't have to, 6. doesn't have to, 7. don't have to, 8. doesn't have to.