大家帮忙改一下英语作文
The Shanghai world Expo

Good mrning,Ladies and gentlemen.
Listen,the Shanghai 2010 Expo is really close.I feel very exciting.The world give us the chance and we will give the world a surprise.We must do our the best to be good hosts.
What should we do?
I think we should understand that some knowledge of the Expo,such as the mascot of the Shanghai Expo--HaiBao.It looks like a chinese character "人",it means the people is foundation of urben life.
I have a dream,the dream isthe green Expo.I wish "no pollution"on the earth to reflect "better city,better life".So we should act now to protect environment.And we should study hard to learn more and moue knowledye.
That's all.Tanks for your listening.
希望大家给我改改,明天就演讲了!