Вставьте модальные глаголы may, must или need.1…

Вставьте модальные глаголы may, must или need.1… . I take this book for а little while? — I аm sorry, but I… return it to the library at once. 2. Alex … spend more time studying, but the other boy … not: he has successfully passed the exam. 3. They … соmе any time they like between ten and twelve in the morning, but they … not come if they don't want to. 4. … I go there right now? — Yes, you … . 5… . we hand in our essays tomorrow? — No, you … not, you … hand them in after Sunday. 6… . John really do this today — No, he … not, he … do it tomorrow if he likes. 7. You … not let this cup fall: it … break. 8… . I help you? 9. You … park your car only in your own space in the back of the building. 10. You … have cancelled your trip to Canada. But you have always wanted to visit the largest French city Montreal and see your friend Nina. 11. We … рау the monthly water bill.