What is he/she doing?
Calling a friend.
What are these?
Headphones
What is this?
Tablet
What is this?
USB flash drive.
What is he/she doing?
Playing online games.
What is he/she doing?
Taking a photo
What is he/she doing?
Checking email.
What is he/she doing?
Using a laptop.
What is he/she doing?
Listening to music
What is he/she doing?
Texting
What are they doing?
Studying
What is this?
Smartphone