Almost every school has its rules. For example, don't be l{#blank#}1{#/blank#} for school; don't walk on the grass; don't p{#blank#}2{#/blank#} the flowers; keep the classrooms clean and tidy every day and so on. And in America, schools also have many rules for the students. Here are some American school rules.

    Walk, walk, walk. R{#blank#}3{#/blank#} is not good behaviour(行为) in schools.

    Be in your seat and ready to study when the bell rings.

    Eating and d{#blank#}4{#/blank#}are not allowed in the classrooms.

    Keep the school clean. We must not leave r{#blank#}5{#/blank#}.

    Don't bring chewing gum(口香糖) or candy to school.

    Be polite to others and don't say dirty words.

    Keep s{#blank#}6{#/blank#} in class.

    Come to school on time every day.