The appropriate word to use in the blank of the sentence is "hope." So the full sentence will be:
Anne's thoughts of going back to school and imagining herself as an adult is a representation of her lasting hope.
Anne was a Jewish girl who lived in hiding for three years during World War II. Anne couldn't live freely because of the Nazis, but she had a hope that everything would be resolved.
Anne's hope was associated with her will to live and this will was so great that it made her hope very lasting.
More information about Anne Frank at the link:
https://brainly.com/question/25680598
