cLean the school yard作文30字 We are studying in our beautiful school.It's our duty to keep our school yard clean and tidy.It's not good to spit in a public place，such as in the library，in the classroom and our computer rooms.We should neither draw pictures on the wall nor throw any litter onto the ground.I think we must make it a rule to do some cleaning every day in and out of classroom.and clean the school yard.Now it's hot in summer.Every one of us should have a good habit of health.If every tries his best to do something useful for our school，I'm sure our school will become more and more beautiful. 我们在我们美丽的学校。保持我们的干净整洁是我们的责任。不在公共场所随地吐痰，比如图书馆，教室里和我们的“计算机房。我们不应该在墙上画画，也不能把任何垃圾扔在地上。我认为我们必须制定一个规则每天都要打扫教室,并且打扫学校的花园。现在是炎热的夏天。我们每个人都应该有一个健康的好习惯。如果每个人都尽力为我们的学校做一些有用的事情，我相信我们的学校会变得越来越美丽。 本文来源：https://www.wddqw.com/doc/17f34097de3383c4bb4cf7ec4afe04a1b071b09a.html