What is this?
A pen.
What are these?
Cameras.
What is this?
A key.
What are these?
Passports.
What are these?
Bags.
What are these?
Keys.
What's this?
A bag.
What's this?
A camera.
What are these?
Books.
What are these?
Pens.
What are these?
Cell phones.
What is this?
A computer.
What's this?
A cell phone.
What's this?
A passport.
What's this?
A book.
What are these?
Computers.