question: he was an outstanding student across the curriculum, but proved to be brilliant at mathematics.
Capitalize this past sentence correctly.
A: He was an outstanding student across the curriculum, but proved to be brilliant at mathematics.

question: legs long and muscular from loins to hock; short, straight, strong lower part.
Capitalize this past sentence correctly.
A: Legs long and muscular from loins to hock; short, straight, strong lower part.

question: ornamental grasses water plantain alisma photo, cultivation and maintenance, planting and watering, characteristics and description, seeds
Capitalize this past sentence correctly.
A: Ornamental Grasses Water plantain Alisma photo, cultivation and maintenance, planting and watering, characteristics and description, seeds