Questions 21-25 refer to the following passage. Passage II Queen Elizabeth II, the seemingly eternal monarch who became a bright but inscrutable beacon of continuity in the United Kingdom during more than seven decades of rule, died Sept. 8 at Balmoral Castle, her estate in the Scottish Highlands. She was 96. Her death, of undisclosed causes, was announced by Buckingham Palace. In her reign, which began in February 1952 after the death of her father, King George VI, Elizabeth served as a constant and __(21)__ figure in Britain and on the world stage as she helped lead her country through a period of profound shifts in geopolitical power and national identity. The designs of postage stamps and bank __(22)__ changed through the decades, but they all depicted the same, if aging, monarch. The British national anthem now shifts to "God Save the King," but most Britons have only known the other version, for the queen. Her last major constitutional action came on Tuesday, when she accepted the resignation of Prime Minister Boris Johnson and asked his __(23)__, Liz Truss, to form a new government. In a monarchy dating back to at least the 10th century with King Athelstan, Elizabeth's reign was the longest. In 2015, she broke a record once thought unassailable, __(24)__ the 63-year rule of her great-great-grandmother, Queen Victoria. While Victoria retreated from her regal duties after the early death of her husband, Prince Albert, Elizabeth — with her outwardly stern demeanor, iron constitution and abiding handbag — remained fully __(25)__ in her queenly duties for most of her life, and true to a pledge she made on her 21st birthday. 21.