Camplete the sentences using must not / mustn't or do not / don't have to.
1) Campers ___ play music after 10 p.m.
2) Students ___ ask permission to stay out after midnight.
3) Bicycles ___ be parked in the front of the courtyard.
4) Residents ___ hang clothes on the windows.
5) The British ___ ger visas to travel in Western Europe.
6) Passengers ___ lean out of the windows.
7) You ___ pay for your tickets now.
8) It's rained a lot, so we ___ water the garden.
9) You ___ disturb your sister while she's working.
10) You ___ knock when you come into my room.