In this excerpt from Anita Desai's short story "Games at Twilight," which lines suggest that the children had completely forgotten about Ravi?

In the excerpt of "Games at Twilight" by Anita Desai, the best line that suggests that the children have completely forgotten about Ravi is "They have quite forgotten him". As the story goes on, the reader was let known that a lot of time has passed using the "Evening" and "Twilight". From afternoon that they started to twilight could be along time for one round of hide and seek.