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

While he was working in Taganrog, Chekhov’s parents had difficult times in Moscow. Anton Chekhov wanted to help __________________ and the only thing he could do was to provide some moral support.