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English Easy NTS Uploaded: 01 Sep 2026

Meaning of the idiom "Once in a blue moon":

  • A Every month
  • B Very often
  • C Very rarely
  • D Frequently
Correct Answer: Option C — Very rarely
Explanation:
'Once in a blue moon' describes an event that happens very rarely. The other options all suggest something that happens regularly, the opposite meaning.
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Submitted by: PaperMCQs
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