Wybierz prawidłowy wyraz must, mustn't, should, shouldn't, have to, don't have to:
1. We _________ take off our shoes when we go to the pool.
2. You _________ touch anything in a museum.
3. You are tired. You _________ go to bed early.
4. Alan _________ help his parents at the shop every weekend.
5. Helen _________ go to school today – it’s a holiday.