Вместо троеточий требуется вставить модальные глаголы.

1. You ... go out today. It's too cold.
2. ... I take your foun-tain-per? - Do, please.
3. We ... not carry the book-case upstairs. It is too heavy.
4. When ... you come to see us? - I ... come only tomorrow.
5. Shall I wtite a letter to him? - No, you ..., it is not necessary.
6. Marry ... finish the work at once.
7. ... you cut something without a knife?
8. Peter ... return the book to the library. We all want to read it.
9. Why ... not you understand it? It is so easy.
10. ... we do the exrcise at once?
11. ... you pronounce this sound?