This is really an opinion thing. But say Jay Gatsby, because he knows how to have a fun time.
It helps develop the theme because with the teacher being strict Kevin no longer tries to get answers from his father and listens to the teacher and Kevin learns from it.
1) neither….nor
2)not only ……. But also
3)both…… and
4)either.. or
5)either….or
6)both…. And
7)not only…..but also
8)weather….or
9)both…..and
10)neither….nor