Ответ:

Must

You must wear uniform at school

You must do your homework

You must go to school

You must listen Teacher in your class

You must be quiet in the class

Must't

You mustn't talk in the class

You mustn't be rude with your teacher

You mustn't go a red light of traffic lights

You mustn't litter on the street

You mustn't go outside without perents' permision

удачного дня)

Объяснение: