Completa los huecos con THERE IS o THERE ARE.
1. _________________ a chair.
2. _________________ children in the street.
3. ________________ two cats here.
4. ________________ an orange on the plate.
5. ________________ a man in the car.
6. ________________ men in that car.
7. ________________ an old book.
8. ________________ four bananas.