1. He is the offspring of a chemist and a nurse. His intelligence is inherited from them.
Offspring means a person's child or children.
The opposite of offspring would be ancestor.
Therefore, the answer is C. ancestor.
2. Anna broke with the family tradition and chose to be a singer instead of being a teacher.
Broke with means to stop following or obeying something.
The opposite of breaking with a tradition would be following it.
Therefore, the answer is B. followed.
3. People in some far-away mountainous regions still keep their traditional way of life.
Traditional means relating to or based on old customs, beliefs, and ways of doing things.
The opposite of traditional would be modern.
Therefore, the answer is A. modern.
4. A tradition is something special and is passed down through the generations.
Special means unusual or different from what is normal or expected.
The opposite of special would be common.
Therefore, the answer is C. common.
5. When we have finished eating, we place our chopsticks on top of our rice bowl.
Finished means completed or ended.
The opposite of finished would be started.
Therefore, the answer is D. started.