3 Choose the correct alternatives to complete the sentences.

Решение:

1. We don't have to go to the cinema. We can do something different.
2. You shouldn't go out. It's cold and it's raining.
3. They mustn't forget their passports. They need them for the school trip.
4. We have to do homework this weekend. We've got an exam on Monday.
5. You have to tell them. It's a secret!

Ответ: don't have to; shouldn't; mustn't; have to; have to.