Заполните пропуски модальными глаголами сan, may,could, have to.1)Deter...return the book to

Заполните пропуски модальными глаголами сan, may,could, have to.
1)Deter...return the book to the library we all want o read it.
2) Why...not you understand it? It's so easy.
3)...we do the exercise at once?-Yes, you..do it at once.
4)...you pronounce this sound?
5) You ..not have bought this meod:we have everything for dinner.
6) I.. sleep for hours when I was little girls.