英语短文改（有10处错误）
一：I first met Li Meng at a friengd birthday party five years ago.Then I invited Li Meng over in my place.We listen to my CDs toghter and soon became good friends.Three years ago,Li Meng's parents invite me to spend two wonderful week in Qingdao with them during the summer holiday.Li Meng and I loved walking along the beautifully beaches there.Last year I was ill but had to stay in hospital for a week.Li Meng came see me every day.Then,her father has changed jobs and they moved to another city.Since then we haven't see each other much,but we kept writing to each other.
二：Good health is person's most valuable possession.Today,it's much more easier to be health than it was in the past.Modern people know more about health,have better food,and live an clean surroundings.Also,scientists and doctors had learned how to deal many diseases.Most people can quick get help from a doctor or go to a hospital because they are ill.For a result,people in the modern world generally live mucn longer than people in the past.People in industrial countries can expect to live twice as longer as people who lived a few hundereds years ago.
三：Yesterday I bought new coat in a shop,but Ifound it so big for me.Today morning,Iwent to the shop and chenge the coat I bought yesterday.But the sales-girl treated me cold.Fiestly,she didn't admit that that I bought the coat in the shop.Then,she said t had made it be dirty.So I got very angry and quarreled with him,pointing to the rules on the wall.Just then,manager turned up.He said sorry to me.At last they changed other one for me.Then I said good-bye to them and took the new coat home happily.