Last Sunday, I did housework with my mother at home. My duty was cleaning my bedroom and sorting the bookshelf. After breakfast, I started my work. I first arranged books on the shelf. Previously, most books were my textbooks, but I wanted to do some changes. I picked up the textbooks on a cartoon and put the books I read at spare time on the shelf. And then I started to clean my bedroom. Because mother cleaned it almost everyday, so my task was not so heavy. After I finished my own duty, I helped mother with other works. Before lunch, we finished all the housework.