1）申请并介绍个人参营的原因和优势；
2）咨询夏令营时间及内容安排；
3）个人最期待的活动。
注意：1）词数100左右； 2）可以适当增加细节，以适行文连贯；3）开头句已为你写好，不计入总词数。
Dear Sir/ Madam,
I have read your advertisement on the Internet that the Organization of International High School Students is to hold the 2017 Summer Camp. ……
Yours,
Li Hua
I'm writing to apply to join in the Summer Camp as I've been longing to take part in international fairs for high school students. In particular, I'm interested in English culture. What's more, I've already got a good
