你们学校有什么样的规章制度？你认为它们合理不合理？请给校长写一封信，说明并给予评论。
（至少80个单词）
    参考句型： We can/can't... We have to... 
                       We are (not) allowed to...
                        I think it's.../it makes us...
                        I think we should be allowed to... 
Dear Mr. Zhang, 
     We have many rules at our school. Some are good for us. But some are not. _____________________
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                                                                                                                                               Yours,
                                                                                                                                                Li Lei