Who is helping a woman?
The police officer is helping a woman.
Who is reading a book?
The taxi driver is reading a book.
Who is catching fish?
The fishermen are catching fish.
Who is painting a picture?
The artist is painting a picture.
Who is laughing?
The teacher is laughing.
Who is writing?
The student is writing.
Who is walking the dog?
The scientist is walking the dog.
Who is acting?
The actor and actress are acting.
Who is flying the plane?
The pilot is flying the plane.
Who is helping the boy?
The fire fighter is helping the boy.