1. The childs were playing in the garden.
a) childs
2. This furnitures are new and modern.
a) furniture's
3. The sheeps are grazing in the field.
a) sheep b) sheep's c) sheeps
4. The mouses ran away when we entered the room.
a) mice
5. The tooths were hurting her all night.
a) teeth's
6. The womans bag was left on the bus.
a) women
7. The companys in the tech industry are always competing.
a) company
8. He bought two new car last week.
a) new car's b) new cars c) new car
9. The moneys were collected for charity.
a) money
10. The childrens are excited about the school trip.
a) children's
11. The bacterias in the water are harmful.
a) bacteria's
12. I found a footprints on the beach.
a) footsprint
13. The mans hat was blown away by the wind.
a) mans b) man's c) men's
14. She had much home works to complete over the weekend.
a) homeworks
15. The leaves’ were falling from the trees in autumn.
a) leafs
16. The childs' toys were scattered all over the room.
a) child's
17. The cities of Europe are known for their rich history.
a) city's
18. The fishes in the aquarium looked colorful and lively.
a) fish
19. His friends organized a surprise party for his birthday.
a) friend's
20. The teeths of the old man were in bad condition.
a) tooth's