What is she doing?
She is hitting.
What sport is this?
baseball
What is she doing?
She is swimming.
This is...
sport (sports)
What are they doing?
They are watching television.
What is she doing?
She is playing the piano.
What is she doing?
She is skateboarding.
What is he doing?
He is playing the guitar.
What is he doing?
He is playing football.
What is she doing?
She is running.
What is he doing?
He is catching.
What sport is this?
hockey
What is he doing?
He is riding a bike.
What is she doing?
She is playing basketball.
What is she doing?
She is throwing.
What sport is this?
badminton
What is he doing?
He is kicking.
What is she doing?
She is playing tennis.