1. 读一读，为下列物品找到相应的主人，将人名写在横线上。

(The students are at the Lost and Found Office.)

①— Is this your computer, Lucy? 

— No, it isn't. It's Lily's. 

②— Are these shoes yours, Jack?

— No, they aren't. They are John's.

③ — Is this hat Chengcheng's? 

— No, it isn't. It's Xiaoyou's. 

④— Are those books yours, Xiaoyi?

— Yes, they are.