1. Does Ben have a camera? Yes. That's his camera. Хотя обычно на такие вопросы отвечают Yes Ben has a camera.)))
2. Do you have a guitar? Yes. That's my guitar.
3. Do we have a car? Yes. That's our car.
4. Does he have a parrot? Yes. That's his parrot.
5. Does Sue have a ballon? Yes. That's her ballon.
6. Do you have a bike? That's my bike.
7. Does Costas have a radio? Yes. That's his radio.
8. Do they have a computer? Yes. That's their computer.