听录音，补全短文。
I'm a girl from ________. I come to the U.S. to ________ English. We have six ________ each school day. We have music, art, PE, science and math... I like music and PE. But my favourite subject is science. It's an interesting ________. Now it's January. It's cold today. It's zero degrees. ________ wear hats, scarves and winter coats.
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