Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово CHILD так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

It mainly happened because he had communication problems with other __________________ in his school. Finally, he told his parents that he was not going to study any more.