What are they doing?
They are cleaning the bathroom.
What is she doing?
She is mowing the lawn. / She is mowing the grass. / She is cutting the lawn. / She is cutting the grass.
What are they doing?
They are sweeping the floor.
What are they doing?
They are mopping the floor.
What is she doing?
She is making the bed.
What is he doing?
He is watering the plants.
What are they doing?
They are washing the dishes.
What are they doing?
They are doing the laundry.
What is she doing?
She is cleaning her room.
What is she doing?
She is walking the dog.
What are they doing?
They are making dinner.
What is she doing?
She is setting the table.
What is she doing?
She is feeding the dog.