选词填空（共1小题）
阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。请将答案写在短文后相应题号后的横线上。每空限填一词，每词限用一次。
In my school the rules for students are very  _____, but I think they are very necessary．________ the rules is everyone’s duty．They keep students from fighting, smoking, ________ noise in class and so on．
Some students are not so good．They often  ______ the rules．They destroy(破坏) _______ property(财产), such as desks, windows, trees a nd flowers．But ________ of the students can follow the rules．
The rules are enforced by punishment(通过惩罚来执行)．For example, the first time you get into a fight at school, the teacher will let your  ________ come and take you home．The  _________ time, you will be kicked(踢) out of school, and you  ________ to transfer(送) to another school．
I like the rules, because they make our school safe and  _____．They make it a better environment for study．