Choose the correct option.

0. You don’t have to /doesn't have to be twenty-one to get married.

1. I can't go home now. I have to / has to wait till 5 o'clock. That’s when my parents get home
from work.

2. Please listen to your teacher but you have to / don't have to write down every word he
says.

3. Do your friends have to / has to go to school on Saturday?

4. Olga have / has to go shopping soon because her fridge is empty.

5. Do / Does Doris have to babysit her younger brother tonight?