2 Choose must or mustn't for these school rules. 1 Students must / mustn't be late for school. 2 Students must / mustn't eat food in class. 3 Students must / mustn't listen to the teacher. 4 Students must / mustn't do their homework. 5 Students must / mustn't use mobile phones in class.
Answers & Comments
Students mustn't be late for school.
Students mustn't eat food in class.
Students must listen to the teacher.
Students must do their homework.
Students mustn't use mobile phones in class.