Complete the sentences. say what pupils must or mustn't do in the lesson. example: pupils must do what the teacher says. pupils mustn't draw on the desks. take a pet to the lesson, do what the teacher says, speak loudly in the classroom, sleep in the classroom, draw on the desks, answer the teacher's questions, say "good morning! " to the teacher, write notes (записки ) to friends, draw on the walls of the classroom, run and jump between the desks, be polite to other classmates