假如你是高一学生李华，你们学校最近将改建运动场，你想给校长写一封建议信，内容如下：
1.增加乒乓球台的数量；
2.篮球场地最好不要建在体育馆门口，以免篮球砸伤过往的同学；
3.希望建立室内游泳馆；
4.建成后，希望周末也开放。
注意：1.词数100左右；2.可以适当增加细节，以使行文连贯；3.开头和结尾已写好，不计入总词数。
参考词汇：篮球场 basketball court 体育馆   gym
Dear Headmaster,

I am a senior one student. I have known that the playground of our school will be rebuilt recently._________

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Yours sincerely,

Li Hua