請各位英語高手幫我改一下這篇文章中的錯誤,明天比賽!急!急!急!

題目：

請各位英語高手幫我改一下這篇文章中的錯誤,明天比賽!急!急!急!
ShangHai Expo Bring Me A Lot This year 2010, there was a big event would held in the Shanghai China. That's World Expo. What’s the theme of Expo 2010? --Better city, better life. Yes,the changes that the ShangHai Expo bring us will exceed our imagination . I can imagine in Shanghai, has no boundaries, away from all over the world people are discussing the changes here, not only the environment more health, and construction is getting better and better. After following the Olympic Games, is the second exciting event that people of the motherland. It is impossible to work out a correct figure of the income that the Expo will bring to China. Just like My favorite mascot of World Expo - Hoi Po. Shanghai has been constantly in progress , motherland and the people are very invested in the Expo. I believe the Expo has become so difficult for other countries to replace the state, winning glory for the whole of China! I hope I can also do the utmost for the Expo, come cheer for the Expo now!China is strength show to all the world!
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解答：

ShangHai Expo Bring Me A Lot
This year 2010,there was a big event held in Shanghai ,China.That's World Expo.What’s the theme of Expo 2010?--Better city,better life.Yes,the changes that the ShangHai Expo bring us will exceed our imagination .I can imagine that,here,in Shanghai,there is no boundaries,people from all over the world are discussing the changes here,not only the better environment ,healthier ,and better construction.After following the Olympic Games,ShangHai Expo is the second exciting event for our motherland.It is impossible to work out a exact figure of the income that the Expo will bring us China.Just like My favorite mascot of World Expo - Hoi Po.Shanghai has been constantly in progress ,motherland and the people are very invested in the Expo.I believe the Expo has become so difficult for other countries to replace the state,winning glory for the whole of China!
I hope I can also do the utmost for the Expo,go and cheer for the Expo now!we will show the world that China is becoming sronger and stronger!