You ...................... climb trees
mustn't
You ...................... talk in the cinema
mustn't
You ............. listen to the teacher
must
You ............... use a zebra crossing
must
You ................ watch too much TV
mustn't
You ............... eat healthy food
must
You .................... play football in the classroom
mustn't
You ............. talk in class
mustn't
You ............... eat in the museum
mustn't
You ........................ take photos without permission
mustn't
You ................. tidy your bedroom
must
You ................. wear a helmet when you ride a bike
must
You ............. brush your teeth
must
You ............... respect your classmates
must
You ............... do your homework
must
You ...................... shout in class
mustn't