Complete the sentences using "isn't" or "aren't".

1. There isn't a camel. 2. There aren't any birds. 3. There isn't any milk. 4. There isn't a chair. 5. There aren't any cars. 6. There aren't any crocodiles. 7. There isn't an apple. 8. There aren't dinosaurs. 9. There isn't any wine. 10. There isn't a ghost.