Задание 3. Вставьте модальные глаголы can, may, must или need. Переведите предложения на русский язык.

1. Peter … return the book to the library. We all want to read it. 2. Why ..not you understand it? It is so easy. 3. …we do the exercise at once? –Yes, you …do it right now. 4. … you pronounce the word? 5. You … not have bought this meat: we have everything for dinner. 6. I … not go out today: it is too cold. 7. … I take your pen? –Yes, please. 8. We … not carry the bookcase upstairs: it is too heavy. 9. We … not carry the bookcase upstairs ourselves: the workers will come and do it. 10. When … you come to see us? – I … come only on Sunday.