帮我检查一下这篇英语作文有没有语法错误

May 12th is an unforgettable day for all the Chinese (people.There) was a serious earthquake on that day in Sichuan (Province.The) buildings fell down suddenly and thousands of people died. I was very sad when I heard of the news.
All the Chinese people get together to overcome the (difficulties.Most) people donated money to (them.,so) did (I.The) soldiers and the doctors tried their best to save more people and they never give up!
I hope the Sichuan (peole) can （rebuid ）their hometown early. I believe tomorrow will be better!
括号里错！正确的↓
May 12th is an unforgettable day for all the Chinese people. There was a serious earthquake on that day in Sichuan Province. The buildings fell down suddenly and thousands of people died. I was very sad when I heard of the news.
All the Chinese people get together to overcome the difficulties. Most people donated money to them, so did I. The soldiers and the doctors tried their best to save more people and they never give