Their father is a film director(导演). He doesn't often do housework. He is always happy. Their mother doesn't go to work. She stays at home and does housework. And she loves her children very much, but she gets angry easily. Xiaoxue is their daughter. She is a good student. Big brother, Liu Xing, can always make others happy. He likes ball games. Little brother, Xiaoyu, is helpful. He likes playing computer games. This is a happy family.

1. Is there a book on the desk?（作否定回答）

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