Answer :
The narrator’s initial impression of the two boys is. Their willingness to do any kind of job. Their behavior and innocence. The maturity they display. Their usefulness to the narrator The reason behind their hard work War had not destroyed their spirit but filled them with a new energy They set to build what was left after the war Love for their sister. Their regular weekly visits to meet their sister. Their making sure that they regularly pay for her treatment. Their dedication, sacrifice, selflessness.