7. Why did the koalas finally return to the forests? (paragraph IV)
i) There were too many koalas in the hospital.
ii) They found new homes in the grass.
iii) They could find food in the forests again. (9 points)
8. According to Dr. Lang, why did they put radio-chips on the rescued koalas? (paragraph V)
i) To help volunteers find the koalas more easily in the future.
ii) To help save eucalyptus trees from fires in Australia.
iii) To know when fires start in the forests again. (9 points)