Today all hats are very cheap. They are pretty, too. We have many pretty colours for you. The black T-shirt is fifteen yuan. The green bag is nice. You can try them on. The pink dress is beautiful. But it is not cheap. The pink socks are cheap, they are two yuan. Come and see them quickly!
根据上面短文的意思填空,把正确的答案填写在横线上。