If your birthday is coming, what presents will your parents buy for you? It;s not easy for Chinese parents to(choice) a birthday gift for their children. Many American parentshave the same problem. But(luck) they have got American Girl—American company. It's famous for its beautiful dolls. Though there are many famous dolls in the world, American Girl dolls are becoming one of the most popular birthday(gift) for girls What makes American Girls dolls so popular among girls? The secret is her matching(相配) hair, skin, eye colour, clothing and so on. That is to say, there are different kinds of dolls for buyers to choose and the dolls looktheir owners. The company hopes their dolls can make girls(understand) that it's OK to be(difference) from others. The company gives each American Girl doll her own name and special background. They also invite writers(write) books about her. The stories in the books are mainly about different periods of American history. So when the girls are playing with their dolls, they can get a lot of (funny) and they can learn something about history.