. I ____ not go out today: it is too cold. 2. ____ I take

... your pen? — Yes, please. 3. We ____ not carry the bookcase upstairs: it is too heavy. 4. We ____ not carry the bookcase upstairs ourselves: the workers will come and do it. 5. When ____ you come to see us? — I ____ come only on Sunday. 6. Shall I write a letter to him? — No, you ____ not, it is not necessary. 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 exercise at once? Yes, you do it at once.