题目内容：

假如你叫杨阳，你的朋友夏雨来信询问你暑假过的怎样。请根据下列信息给他回信，说明你在暑假中的活动和理由。1. 休息，因为感觉累、学习压力大，缺少锻炼和睡眠；2. 看望农村的祖父母，帮助他们做了些家务，并给他们谈了一些身边的事；3. 和朋友进行短途旅游，欣赏大自然，呼吸新鲜空气。

注意：字数100左右,开头和结尾已给出。

Dear Xia Yu,

I'm very glad to receive your letter. And it's a pleasure to__________________

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Best wishes!

Yours,

Yang Yang