The time traveler's machine broke, and his diary is missing some words! Select ALL the subjects that correctly complete his entry.
"Luckily, _____ were completely unaware that I was from the year 3024."
The correct answers are the medieval knights, they, and the villagers.
The verb were is used with plural subjects and the pronouns we, you, and they. Singular subjects like "the king" or "the local blacksmith" would require the verb was.