根据短文内容，回答下列问题。

My name is David. I am an American boy. My family are in Beijing now. My parents work there. I have a sister but no brothers. My sister and I are the students of a middle school in Beijing. We love China. We have a nice house in Beijing. My room is big. There is a bed, a desk and a computer in it. My books are on my desk and next to my computer. There are some pop singers' pictures on the wall. I like them.