1. __ sandra __ a camera? 2. __ andrew __ three pens? 3. __ they __ bikes? 4. __sandra a red balloon? 5. __ andrew two balloons? 6. __ they many books? 7. __ sandra __ a dog? 8. __ andrew __ a parrot? 9. __ sandra __ a calculator? 10. __ andrew __ a guitar? 11. __ sandra __ a clok? 12. __andrew __ a laptop?