10 reglas en inglés para el salon de clases de un colegio ?

You mustnt chew gum in class

You must be organized

You have to respect your classmates and teachers

You must participate in class

You have to raise your hand if you want to speak

You must throw the rubbish to the bin

You mustnt run in class

You mustnt yell in class

You mustnt spoil your class material

You have to be well dressed according to the dress code.