What is the "only good thing" Pip has done since he found out about his great expectations? He apologized to Joe for how he treated him

The only good thing he did was to come up with a secret plan for his friend, Herbert, to get a job.

Explanation:

"Great Expectations" is a book written by Charles Dickens and tells the story of Pip, an apprentice blacksmith, orphan and poor boy who is constantly mistreated by his sister. One day, Pip receives a mysterious inheritance, which makes him very rich. He is full of high expectations of what the money will provide him, however, during this new life, he is very selfish and resentful. However, Pip recognizes his mistakes and tries to become a better person as he becomes wiser. When he reflects on everything he has done, he recognizes that the only good thing he has done is to help Herbert find a job. Pip made a plan for Herbert to be hired, unaware of Pip's help, thinking he had gotten a job with his own merits.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).