Question

read lines 1-10 . in what ways di the sentence structures and choice of words sound like a teenage girl telling about her own life in the walk to the jetty by annie john

Answer 1

It could be said that in the first 10 lines the structures and the choice of words sounds like a teenage girl because Annie John´s way of speaking manifests her opinions, feelings and personality.
It seems that the structures belong to a well-educated teenager.