The correct word to fill in the blank is came, making the sentence: "They did not know where they came from," as "did not" already indicates past tense, requiring the base form (come) of the verb, but in this specific construction (where they came from), the past tense form is used naturally to express origin in the past, or sometimes "had come" for a more complex past narrative, says the Filo website.
They did not know where they __ from
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Question context
This question is part of 🗣️ Verbal Ability within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.