阅读理解。 This is my room.The books are in the bookcase.The picture of my family is on the wall. My backpack is on the chair. And I have a baseball. It's on the floor, between the bookcase and the desk. A computer is on the desk. Some CDs are behind(在……后面) the computer. And I have a cat. It's on my bed. 根据短文内容回答下列问题: 1.Does the writer(作者) have a room? 2.Where are the books? 3.Is the photo of the writer's family on the wall? 4. Does the writer have a sofa in his room? 5.Where is the computer ?