假如你叫小华，下面是你收到的你祖父从美国的来信。请你根据来信的内容写一封回信。（要求：100词左右。）
September 15,2005
Dear Xiaohua,
I had a letter from your mother a few days ago ,but she didn’t give me much news about you . She said you went on an ecology summer camp. When I heard that you had seen a snake ,I was worried .I hope someone killed it ! I was sorry to hear that you had hurt your knee. How did that happen? I hope it is better now.
I know your birthday is ing soon ,so I am enclosing（附上）a check for you .Write soon and tell me what you decide to do with the money .I want you to spend it on something nice.
With lots of love,
Yours，
Grandpa
Dear Grandpa,
Yours,
XiaohuaDear Grandpa,
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(答案→)Dear Grandpa,
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