各路大侠，帮忙写一篇有关奥运志愿者的英语作文，要四级水平的。急要～～谢谢～！！

I want to be a volunteer of Beijing Olympic Games. I realized how fast the time flies. I must study English very hard, because English is very useful and it is very important. And to be a volunteer of the Olympic Games is good for myself. I can make some friends from different countries and learn more about sports and Olympic. But the first thing to prepare this is to study hard, I am confident I will to be a good volunteer and I will show to the world:our country and our cities are so perfect in the world.