Multiple choice general knowledge

Once in a ______ I go to the theater.

  1. blue sun

  2. blue day

  3. blue moon

  4. red moon
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The idiom 'once in a blue moon' means very rarely or almost never. A blue moon is either the second full moon in a calendar month or a metaphorical rarity. 'Blue sun' and 'red moon' aren't part of this expression, while 'blue day' is not commonly used.

Keep practicing — related questions