Here are the completed sentences with the correct forms of the words in brackets:

1. My parents taught me not to listen to other people's **private** conversations. (privacy)
2. It's amazing that the boy can **memorize** all the information in such a short time. (memory)
3. Living away from home to attend college has made me more **independent**. (independence)
4. In a modern society, we learn to value a person's **freedom**. (free)
5. In a **democratic** classroom, every student has the right to speak as well as the responsibility to listen to others. (democracy)