伊丽莎白二世于1952年登基。
Elizabeth II ascended ___the ___throne in 1952.
国王的长子是王位的第一顺位继承人。
The king's eldest son is next in line to inherit ___the ___throne.
女王去世后,她的长子继承了王位。
Upon the queen's death, her eldest son ascended to the ___throne.