Нужно раскрыть скобки, в Passive voise.
2. The remarkable pointing (to find)
in the caves.
4. Many animals (to drive)
to the edge of extinction.
6. Diary and beef cattle and poultry (to reduce)
greatly in the future.
8. Other wild animals (to domesticate)
by true humans throughout most of the time.
10. The hunters (to depend)
on wild animals for food and clothing.