What did you buy?
I bought a pencil case.
What are you using?
I'm using a ruler.
What did you buy?
I bought a lead.
What did you buy?
I bought an eraser.
What did you buy?
I bought a notepad.
What are you using?
I'm using a highlighter.
What are you using?
I'm using a mechanical pencil.
What are you using?
I'm using a post-it note.
What did you buy?
I bought a piece of paper.
What did you buy?
I bought a sticker.
What did you buy?
I bought a sharpener.
What are you using?
I'm using a stapler.