I guess last one please mark as brianlist please
Victor assaults his investigations with excitement and, overlooking his public activity and his family far away in Geneva, gains quick ground. Later, Ardently dedicating himself to this work, he ignores everything else; family, companions, studies, and public activity, and becomes progressively pale, desolate, and fixated.
<span>A broken spirit after being tricked.</span>
I don't have time to answer all of them but here is 2-7. 2.became 3.held 4. it's either "him singing" or "his singing" 5.has 6. should have 7. walked