Вставьте в предложение подходящий по смыслу модальный глагол: must, mustnt, have

Воткните в предложение подходящий по смыслу модальный глагол: must, mustnt, have to, can, cant, should, may, need. 1. We _____ listen and hear with our ears. 2. You _____ smoke in this room! 3. They _____ finish the report before the meeting with their boss. 4. Dad, you _____ stay in bed today. 5. _____ we change seats with Kate? 6. Penguins _____ fly. 7. They _____ some food to cook dinner. 8. People _____ sleep 8 hours a day.