二年級，in second grade，一天早晨， because the tidy classroom can make students study better.one morning，把一張桌椅擺好，心想：這是怎么回事？整整齊齊，一件好事， walked into the classroom， 中國有句古話：勿以惡小而為之，there is an old saying in china: don t do evil when it is small，說干就干，這么亂，走進教室，把其它的桌椅