You ............... use a zebra crossing
must
You ................ watch too much TV
mustn´t
You ...................... climb trees
mustn´t
You ........................ take photos without permission
mustn´t
You ................. wear a helmet when you ride a bike
must
You ...................... talk in the cinema
mustn´t
You .................... play football in the classroom
mustn´t
You ............... eat healthy food
must
You ............. listen to the teacher
must
You ............. talk in class
mustn´t
You ................. tidy your bedroom
must
You ............. brush your teeth
must
You ............... respect your classmates
must
You ............... eat in the museum
mustn´t
You ............... do your homework
must
You ...................... shout in class
mustn´t