Безотлагательно нада!!! Complete the sentences with the affirmative or negative form

Безотлагательно нада!!!
Complete the sentences with the affirmative or negative form of HAVE TO.
1. I .... do homework every day, only on Mondays and Tuesdays.
2. We .... train for three hours at swimming lessons every Saturday. It's very hard.
3. My brother .... come home before 11 p. m., but I do!
4. When they're seventeen, English students only .... study four subjects. They're lucky!
5. We haven't got a car, so my dad ..... go to work by bus.
6. We .... wear a uniform at our school. I usually just wear a sweatshirt and black trousers.
7. I ..... clean my bedroom every Saturday! I hate it!