the law says that you have to wear a seat belt in a car.
You don't have to study every night.
It has to do what the teacher says.
It had to for me to phone the doctor.
The law says that you have to buy a ticket when you catch a train
They didn't have to wait long for a bus.
1, you have to ...an hour before talk-off
2, you have to ...for your lessons
3,you have to ...win the competitionons.
4,you have to ...before you can go to university
5, you have to ...in a supermarket
6you have to...when you're in a car.
nie jestem pewna co do trzeciego zdania w poerwszym zadaniu, ale reszta powinna byc ok;]