写作思路：可以从自己愿做一名冬奥志愿者，用语言连接中国人民与国际友人的友好之情这个角度出发进行阐述等等。
正文：
As a native, I am very proud that my hometown can become a Winter Olympic city. I deeply understand that as primary school students, what we have to do now is to study hard and lay a good foundation. When our hometown and motherland need us, we are willing to join the volunteers and do our best to contribute to our hometown and motherland.
身为家乡人，我为家乡能够成为冬奥城市而感到无比自豪。我深深地明白，作为小学生的我们，目前要做的是好好学习，打好基础，当家乡和祖国需要我们的时候，义无反顾地加入到志愿者中，竭尽所能为家乡和祖国做出贡献。
I like English. I hope I can be a qualified volunteer when the 2022 Winter Olympic Games is coming. I can introduce the beauty and richness of our hometown to foreign friends in English and sing the prosperity of our motherland in English.
我喜欢英语，我希望在2022年冬奥会来临之际，我能够做一名合格的志愿者，用英语向国外友人介绍我们家乡的美丽与富饶，用英语歌唱我们祖国的繁荣富强。
The Beijing Zhangjiakou high speed railway in my hometown provides wonderful, extraordinary and excellent traffic guarantee for the success of the 2022 Beijing Winter Olympic Games! International friends from all over the world will come to our hometown by Beijing Zhangjiakou high speed railway.
家乡的京张高铁为2022年北京冬奥会的成功举办，提供精彩、非凡、卓越的交通保障！各国的国际友人将乘坐京张高铁来到我们的家乡。
Of course, one day, I will take the high-speed rail from my hometown, go out of my hometown and go to the international market. I can communicate with my friends in English fluently, and spread the 5000 years of cultural history and glorious tradition of our motherland.
当然，也会有那么一天，我乘坐着家乡的高铁，走出家乡，走向国际，用我流利的英文与国际友人交流，传播我们祖国五千年文化历史和光荣传统。
Beijing Zhangjiakou high speed railway, you are our pride, we want to thank you, you not only connect the two places, but also connect our friendship and feelings with international friends.
京张高铁，你是我们的骄傲，我们要感谢你，是你不仅连接了京张两地，也连接了我们与国际友人的友谊和情感。
I'd like to be a volunteer for the Winter Olympic Games to connect our friendship with international friends.
我愿做一名冬奥志愿者，用语言连接我们与国际友人的友好之情。