Образуйте множественное число существительных.вот пример :This is a toy. These

Образуйте множественное число существительных.
вот пример :
This is a toy. These are toys.
That is a ship. Those are ships.
It is a child. They are children.
заблаговременно спасибо
1. Its a long story. 2. This is a key. 3. Thats a new shop. 4. Its a
fly. 5. Its a big country. 6. He is a chief. 7. Its a black cat. 8. That
is a clever dog. 9. Its an orange. 10. He is a nice boy. 11. Its a
yellow leaf. 12. She is a good wife. 13. Its a bad tooth. 14. Its
a strange fish. 15. Its a beautiful deer. 16. Thats a new potato.
17. This is a red roof. 18. Its my file. 19. She is a wonderful
child. 20. Its a white sheep.