3 Choose the correct words.
1 You must / mustn't have a passport to go to the USA.
2 You must / mustn't go to school.
3 You must / mustn't use your mobile when you're driving.
4 You must / mustn't wear a seat belt in a car. 5 You must / mustn't leave a shop without paying.
6 You must / mustn't buy a ticket on a bus or train.
Repede!!! Dau coroană !!!