Since 'altruism' means 'feelings and behavior that show a desire to help other people and a lack of selfishness', and this word 'altruistic' ends with -ic, we can assume, based on its structure, that this is an adjective that is used to describe a person who behaves in such a way.
C. They restore it to its former beauty.
Answer:
1. I had some money.
2. She sang songs well.
3. they were playing cricket.
4. You had given the money.
5. He had to speak English
6. There was a man under the tree.
7. She could pass the exam.
8. They went on a trip.
9. This table helped us for a long time.
