Choose the correct meaning of the idiom: “Once in a blue moon”? May 24, 2021 / By Preparation Point / Assistant (BS-16) Punjab Police 2020 PPSC Past Papers Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Once a month B) By Weekly C) On rare occasions D) Every now and then Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn