“oath of allegiance”造句，怎麼用oath of allegiance造句

Last fall, on his 60th birthday, Dr. McRobbie took the oath of allegiance as an American citizen, along with his three grown children.

The judge received their oath of allegiance.

One peculiar feature of the feudal system of England was that all landowners must take the oath of allegiance, not only to their immediate lord, but also to the king.