Упрастите выражение: (a-1) (a+1)-(a-2)²

Пожалуйста!)Вставить в текст слова: spend,swimming,high,club,best,running,fastest,jumpers,tennis player.
We go to our school sports____on Mondays,Thursdays and Suturdays.I like _____very much.
I prefer to_______all my free time in the swimming pool.I want to become the _____swimmer in our club.My friend Paul likes ______best of all.He is the ______runner in the club.Carla and Mark jump _______.They are the strongest _______in our club.Linda likes tennis a lot.She is the best ______in our club.