1.Вставь слова из рамочки: can, cant,may,may not,must, must not.
1) It s very hot. You _____ water the flowers.
2) Nick ___ play chess very well.
3) ____ I go a walk? - No, you ____-
Where is your homework?
4)You ____ swim here. The water is not clean.
5) Sorry, I _____ help you now.
6) It s raining. I ____ take my umbrella.