Образуйте производное от начального слова, чтобы подошло по смыслу:
1. My greatest (achieve) was graduating from university.
2. Nobody thought about the (comfort) of living in a tent.
3. The child ran to his mother for (protect).
4. Everyone would like to live in an (polluted) world.
5. She was (honest) about her age because she wanted to get this job.
6. He didn't get any real (enjoy) from the game.