Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово NOT CAN так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

George Enesco, the world-famous violinist, had a friend who wanted his son to become a musician. Enesco agreed to give lessons although the boy __________________ play a simple tune.