阅读短文，回答问题。

Hi, I am Tom. I am from the USA. I'm ten years old. I have big eyes. Look! They are my friends.

This is Bob. He is from Canada. He is tall and thin. He's ten, too. He has a big head.

This is Wu Qian. She is from China. She's nine years old. She has long hair and big eyes.

This is Tim. He is ten, too. He is from the UK. He is very tall. He likes sports. We are all good friends. Do you want to be my friend?