Zakreśl właściwą opcję.
You must / mustn't wear a crash helmet on
a motorbike.
2 You must / mustn't cycle on the pavement.
3 You must / mustn't stop when the traffic light is
red.
4 You must / mustn't walk on the street.
5 You must / mustn't cross the road on
a pedestrian crossing.
6 You must / mustn't put the seeds into a pot.
7 You must / mustn't make noise in the library.