Помогите пожалуйста мне нужно 5 предложении что можно делать в школе и 5 предложении что нельзя делать в школе

1 You must listen to your teacher 2 You mustn't eat at the lesson 3 You mustn't talk with your classmates at the lesson 4 You mustn't chat on the phone at the lesson 5 You mustn't argue with your teachers 6 You mustn't miss your lessons 7 You must answer teachers' questions  8 You must be polite with your classmates and teachers 9 You must be very attentive at school 10 You must get only good and excellent marks 11 You mustn't bring your pets at school