Tony: Daming, can you answer some questions for my homework, please? What’s the population of Shanghai?

Daming: 13 million people, I think.

Tony:And is Hong Kong bigger than Shanghai?

Daming: Hong Kong has a seven million people, so Shanghai is bigger.

Tony: And is it hotter in Hong Kong?

Daming: Yes, it’s hotter in Hong Kong.

Tony:And is Shanghai a newer city than Hong Kong?

Daming: Shanghai is seven hundred years old. It’s an older city.