When the class is over, many students make their way out of the classroom. Some of them walked to the playground, and play basketball, or play football with other students. They are all very happy, and they think it is good for their health. Some students play chess with each other carefully. As we know, playing chess is beneficial to cultivate ourselves. There are some students singing and dancing in the classroom. It is interesting. But it is too noisy. And some students are reading and writing, they are very angry with them
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