ラジオ英会話　Lesson 174 限定詞④: 共有イメージの the

Amy: Really? Did you hear me play?

Ben: Yes! I didn’t know you played the piano so well.

Amy: Thanks. I think I made one mistake though.

Ben: Really? I didn’t notice. How long have you been playing?

Amy: I started when I was four years old.

Ben: Oh, no wonder you’re so good.

Amy: Do you play any instrument, Ben?

Ben: Well, I can play the air guitar.

Amy: Oh!