Ex. 3. (B) Change the number of the noun in italic type where possible and make all other necessary changes.

1. Put the boxes on the shelves.

2. We were presented with dozens of handkerchiefs.

3. The boys must have two teeth pulled out.

4. The hunters got prizes for killing the wolves that had caused much damage to the villages' flocks.

5. The children were bitterly crying over the broken toys.

6. They showed us photos of their country houses.

7. The scouts brought a few pieces of valuable information.

8. We bought many pairs of nylon gloves.

9. We saw mice in the kitchens.

10. The oxen drove carts of hay.

11. Very strange phenomena were observed by astronomers yesterday.

12. Their hair was soft and curly.