. Anna is talking when the teacher is speaking. → She __________________________. Anna is talking when the teacher is speaking. → She __________________________
She mustn’t talk when the teacher is speaking.
Max is playing on his phone during the lesson.
He mustn’t play on his phone during the lesson.
Kate is eating a sandwich in class.
She mustn’t eat in class.
Emma is dropping litter on the floor.
She mustn’t drop litter on the floor.
Tim is chewing gum in class.
He mustn’t chew gum in class.
Kate is eating a sandwich in class.
She mustn’t eat in class.
Mike is shouting in the corridor.
He mustn’t shout in the corridor.
The pupils are listening carefully.
They must listen carefully.
Sam is helping his friend with homework.
He must help his friend.
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