Odpowiedź:
1 Pilots have to wear uniforms for most airlines or they get into trouble. (HAVE)
2 Adrian will need to leave his friend’s house quite soon – it’s getting late. (NEED)
3 Passengers mustn't walk across the railway – it’s very dangerous! (MUST)
4 Mark had to buy a ticket when he got on the train – the ticket office was closed. (HAVE)
5 You don't have to (didn't have to też by pasowało) buy a sandwich from the station café for me – I’m not hungry. (HAVE)
6 Steve needed to buy a new ticket yesterday, because he lost his first one. (NEED)