What is she doing?
She is taking a selfie.
What is he doing?
She is surfing the Internet.
What is she doing?
She is taking a photo.
What is he doing?
He is texting a friend.
What are they doing?
They are chatting online.
What is he doing?
He is sending an email.
What is she doing?
She is talking on the phone.
What is he doing?
He is downloading a song.