1 Choose the correct option. You don't have to I must be quiet in the library. People are studying!1You have to / mustn't have a passport to travel abroad.2 People mustn't need to travel on public transport without a ticket.3We didn't have to / needed to get up early yesterday, because there was no school.4 You don't have to / must finish your homework. The teacher wants to check it tomorrow.5You mustn't need to wear trainers for PE lessons.​