假如你叫李华，根据图表提示，给你的加拿大网友Smith 写一封信，介绍你的寒假生活（共20天），可根据自己的实际情况添加细节。
注意：1．词数：100左右； 2．开头已经给出，不计入总词数。
Dear Smith,
How are you? How time flies! Now the winter vacation was over and I have come back to school again.
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_______________________________________________________________Li Hua_________
