You __________ .
You must wash your hands.
You ______use your phone when you're studying in the classroom.
mustn't
You ______ eat too much candy, you might have tooth decay.
mustn't
You ________ .
You mustn't swim here.
You ____________ .
You mustn't smoke in the school.
You _______ wear a helmet.
must
You _______ fasten your seat belt in a car.
must
You ____________.
You mustn't go to school late.
You __________.
You must take a shower every day.
You _______ be quiet and _______ make too much noise in the library.
must / mustn't
You ______ apply the sunscreen when you go outside.
must
You ________ .
You mustn't take a dog here.
You ___________.
You must stop here.
You __________
You mustn't eat or drink here.
You ________sit too close to the computer.
mustn't
You _______ .
You must wear a mask
You _________ touch a hot pan.
mustn't