what's he doing?
running
what's she doing?
borrowing books
what are they doing?
playing catch
what are they doing?
watching DVDs
What's he doing?
skateboarding
What is she doing?
surfing the internet
what are they doing?
playing volleyball
what's he doing?
mailing a package
What's she doing?
taking pictures
What is he doing?
walking the dog
What are they doing?
hiking
What's he pointing at?
sneakers