Răspuns:
7. A tooth. Five teeth
9. A spy. Two spies
11.A letter. Three letters
13. A table. Two tables
15. A girl. Four girls
17. A tail. Two tails
19. A sheep. Ten sheep
8. A key. Four keys
10. A picture. Three pictures
12. A shirt. Two shirts
14. A child. Two children
16. A class. Three classes
18. A disc jockey. TWO disc jockeys
20. A zebra. Two zebras
Explicație:
Good luck!