1. A son-sons
2. A boy- boys
3. A watch- watches
4. A fox - foxes
5. A wolf -wolves
6. A person- people
7. A country- countries
8. A knife- knives
9. A butterfly- butterflies
10. A glass- glasses
11. A toy- toys
12. A tomato- tomatoes
13. A monkey-monkeys
14. A key- keys
15. A torch- torches
16. An apple-apples
17. A mouse-mice
18. A child- children
19. A wife-wives
20. A puppy-puppies
Объяснение:
