; It was Lin Lin'瓣锅昌暖件s turn to clean the classroom. He worked very hard. In a few minutes he finished cleaning. After cleaning he was going to play games. When he saw nobody was there，悟间he put the rubbish around the corner. He didn't put it in the dustbin. He thought he was lucky because no one saw him.; ; Just then, his class master came. He saw what Lin Lin was doing. He told him to clean the rubbish at once. Lin Lin knew he was wrong. ;He collected the rubbish and put it in the dustbin.