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I am Billy. I have a big bag. It is black and orange. It looks like a bear. So many things(东西) are in my bag! There are eight books, a pencil case and sixteen crayons. The pencil case is green. In the pencil case there are three orange pencils, a blue sharpener(卷笔刀), a long ruler and two green erasers. My bag is so heavy(重的).