21. They practice water polo after school on Thursday at the Northside Pool.

Dẫn chứng: ''They practice after school on Thursday at the Northside Pool.''

22. There are seven players in a water polo team.

Dẫn chứng: ''There are seven players in a water polo team.''

23. Because each team tries to score a goal with a ball.

Dẫn chứng: ''The game is a bit like football because each team tries to score a goal with a ball.''

24. It lasts 32 minutes.

Dẫn chứng: "A game lasts 32 minutes, and in that time you swim up and down a 30 – metre pool lots of time.''

25. Yes, it is.

Dẫn chứng: "So it's fun, and it's also a fantastic way to get fit.''