When she could not get a few important points, she found that the fellow second-rowers (on either side of her had), and both were willing to help her fill the gaps in her own notes.

에서 중간에 had가 어떤게 생략된건가요

학교에선. had gotten 이라고 하고
이아영 샘 수업이선 got a few라는데

뭘까요?