英语语句改错

英语语句改错
1.The shopkeeper offered him the better hat in the shop with the lower price.
2.This city is one of the most mild and quiet places in Ghina.
3.Tim thinks far,and his father thinks farther,and his grandfather thinks more farther of all.
4.The Yellow River is the second long river in China.
5.This is a very poor excuse I have ever heard.
6.Christmats is the more important celebration than Thanksgiving Day.
7.This material is the most light in weight.
8.This flower is more beautiful and smells nice of all the flowers in the garden.