What is he doing?
Running
What is she doing?
walking a dog
What's she doing?
dancing
What is she doing?
sitting
What are they doing?
riding a bike
What is she doing?
rowing a boat
What are they doing?
jumping rope
What is he doing?
flying a kite
What is he doing?
skateboarding
What are they doing?
playing golf / walking
What is he doing?
Swimming
What is he doing?
taking a photo
What are we doing?
Chatting