I am used...
in queues.

stand
to standing
to stand
stood

one context clue that me find the meaning of luxuriance was that the base word of luxuriance is luxury, so i think that luxuriance means something that is luxury, or something luxurious.

being surrounded by crimes, poverty, and failing schools as well as his own lack of confidence in his abilities.

cockroaches and rats most likely symbolize in the play is :

the book's theme is the moral ambiguity of the iranian revolution, history of middle eastern relations and the process of growing up during war. it sheds light on the stereotypical views of middle eastern culture and religion.

the author explicitly portrays the issues of class disparities and racism continously throught the whole novel.

the relationship between parents and childrens, the abandonment of faith, modernity vs fundamentalism and class conflict are the 4 main panels that this novel englobes.

hope this , if you would like me to be more specific about a specific excerpt let me know : )