помогите пожалуйста срочно очень надо !!!! заранее спасибо!!!

Вставьте модальные глаголы may, must или need.

1. ____ we hand in our compositions tomorrow? — No, you ____ not, you ____ hand them in after Sunday. 2. ____ John really do this today? — No, he ____ not, he ____ do it tomorrow if he likes. 3. You ____ not let this cup fall: it ____ break. 4. ____ I help you with your coat on? 5. ____ I take this book for a little while? — I am sorry, but I ____ return it to the library at once. 6. Alec ____ practise this sound specially, but the other pupils ____ not: they all pronounce it properly. 7. They ____ come at any time they like between ten and twelve in the morning, but they ____ not come if they don't want to. 8. ____ I go there right now? — Yes, you ____ .