There are a lot of teachers in the world now. There are a lot of schools in the world, too. Teachers are very important people. They teach everyone many good things. They teach their students Chinese, maths, many languages, PE, music, arts and crafts and so on. Every year in China there is a Teachers' Day. Teachers' Day is on September 10th. This is a nice day for the teachers. Teachers teach many different things. They help people to know many things. Many people like teachers. But teaching work is hard-working.