Long ago, people lived on wild animals, fruits and other plants and they didn't need to use money.
As time passed, families had more products(产品) than they needed, such as animals and crops. So they needed to trade(交易) with others. They began to use money to make it easier. However, it was not like the money we use today. They used shells, rice, salt or large stones.
During the 600s BC, people began using coins as money. Because they were easier to carry than goods(货物), countries began to make coins as their money.

The Chinese were the first to use paper money, probably in the 11th century. An Italian traveler, Marco Polo, saw the Chinese use paper money when he visited China in the 1200s. After his travel, he told the western people what he saw. But European countries didn't start using paper money till the1600s.
Today we have many ways to pay for things, such as coins, paper money and cards. Some prefer to pay by card. That's because paying with a card is easier and safer than carrying around a lot of “real” money.

The Country fair (集市) is a common form of trading in China.

In my hometown, Chifeng, there {#blank#}1{#/blank#} fairs early in the morning. They are very popular. Foods, fruits, vegetables, clothes and daily necessities are displayed along both sides {#blank#}2{#/blank#} the road. The fairs are open for just 2 or 3 hours, so people often get {#blank#}3{#/blank#} very early. They are very excited to do this kind of shopping.

In {#blank#}4{#/blank#} last month of the lunar year, the fairs are busier than usual. Goods for the Spring Festival are found there. Families often do the shopping together. They buy delicious food, pictures, duilian and so on. It is the happiest moment for kids. Their parents often buy some fireworks for {#blank#}5{#/blank#}. This is what happiness is about.

①②③

Peppa is a little pig. Many people know her name because they can see her on TV. Peppa has a big family. Here are her three family photos. Let's have a look. 

In the first photo, you can see Peppa's father, mother and little brother George. What about the next photo? 

Peppa's grandparents are on the left of the photo and her parents are on the right. You can also see Peppa, George and their friends. Who are in the last photo? Peppa's family and her uncle's family. 

Now, let me tell you more about Peppa's family. Peppa is in red. She has many friends. She likes playing in muddy puddles (泥坑) . George is in a blue T- shirt. He likes playing with his sister. Daddy Pig is in a green T- shirt. He loves watching TV. He doesn't like doing sports. Mummy Pig works on her computer. She is in orange. She very nice. Grandpa Pig is in purple and Grandma Pig is in pink. Peppa loves going to her grandparents' home. Because grandma Pig always makes her favorite cake!

Peppa has a happy family.