Question

C. Rewrite the sentences using the correct auxiliary verbs.
1. Penguins have
found only in Antarctica.
Penguins are found only in Antarctica.
2. They have disappearing from the earth very fast.
3. Human beings has destroyed their habitat.
4. The oil spilte in oceans has polluted their home and food.
5. Several kinds of penguins is becoming extinct.​

Answer 1

1- Penguins are found only in Antarctica.
2- They are disappearing from the earth very fast.
3- Human beings have destroyed their habitat.
4- The oil spilled in oceans has polluted their home.
5- Several kinds of penguins are becoming extinct.