Переобразуйте слова чтобы они грамматически соответствовали содержанию текста.
He thinks it's (good,в нужную форму) to ride a bike or walk in the park.Last year my brother keep(в форму) to a very strict diet of vegetables,water and fish before an important match.I hope Alex make(в нужную форму) a very successful career in football because he is a real sportsman.

He thinks it's better to ride  a bike than to walk in the park. Last year my brother had been keeping to a very strict diet of vegetables, water and fish before an important match. I hope Alex will make a very successful career in football because he is a real sportsman.

good, kept, will make