In Chapter 7 Moonshadow went to visit Mrs. Whitlaw to educate her on demons. Moonshadow was impressed that Mrs. Whitlaw seemed to be interested in other people. He explained about the dragons and was impressed with the knowledge he possessed and she could see his point of view. After his visit, Moonshadow came home thinking that demons weren't that bad.
If you want to fix this sentence it would be:
Mom had appreciated our hard work. (Or) Mom appreciated us working so hard.
If my memory is correct... Odysseus had to get away from the Cyclops, so logically, wouldn't it be diligence, since he is trying to figure out how to get away from the Cyclops? I'm sorry if this isn't the best answer, I remember that my class covered Odysseus, but can't remember which grade I was in.