Read, translate and choose the correct form of the verb (Прочитай, переведи и выбери правильную форму глагола).

1. Cats _____ drink milk.

• can't
• has to
• can

2. You _____ come in. Sit down.

• may
• mustn't
• has to

3. We _____ brush our teeth every day.

• mustn't
• doesn't have to
• must