1. (2023九上·南城期中)  Why does the boy go to the post office?

Where are you going, Cathy?<br />I am going to the post office to buy some stamps. What about you?<br />Well, I am going there too, because I want to send postcards to my friends.<br />Where are you going, Cathy?<br />I am going to the post office to buy some stamps. What about you?<br />Well, I am going there too, because I want to send postcards to my friends.