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

Lambeth Palace is a rare surviving example of a 13th century building. Built between 1207 and 1229, the palace __________________ the residence of the archbishops of Canterbury for almost 8 centuries now.