Вставьте модальный глагол can или could.  1.… you (to ask) my sister tо help you? I am very busy today. 2. ... it (to be) seven о'clock now? 3. You ... not (to see) her at the party. She was at home working on her English. 4. Не... not (to forget) your request: he is very attentive to people. 5. I should be very happy if you ... (to visit) us in the village. 6. I don't believe her, she ... not (to forget) to bring the book. She simply did not want to bring it. 7. Не said he ... (to finish) the task by Monday. 8. No, they ... not (to be) twins. 9. Не said we ... (to use) his computer. 10. She was so tired. She ... (to sleep) for a week. 11. No, you ... not (to have) another piece of cake. 12. Our son ... (to speak) Russian and English before he was six. Не is bilingual. 13. ... I call my friend from your phone? 14. ... I (to have) the last piece of your Christmas turkey. 15. We ... not really (to decide) where to go on holidays. We might go to Italy, or we might go tо France. Last summer we visited Canada and ... (to see) Niagara Falls. 16. We don't realize how much our computers ... do.