Alfonso said "He hated the way he looked. Last week he did fifty sit-ups a day, thinking that he would burn those already apparent ripples on his stomach to even deeper ripples, dark ones"
Amy said "What would Robert think of our shabby Chinese Christmas? What would he think of our noisy Chinese relatives who lacked proper American manners? What terrible disappointment would he feel upon seeing not a roasted turkey and sweet potatoes but Chinese food?"
The wolf cub was different because it was the only pup from the litter to take after their father by having grey fur instead of reddish brown. He is fiercer and more determined, he wants to explore the surrounding area and he's motivated to learn more about his new life, especially the light.
If the bolded word is <em>nobody, </em>then the correct answer is - this is an indefinite pronoun. Since you don't really know who this nobody person specifically is, it is indefinite.