MCQ Practice English 📖 ‘Once in a blue moon’ means- A always B hourly C nearly D very rarely Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousOf the foru alternatives, find the one that best fits into the blank space : While living in poverty, the poet had to _ a gre... Next'Once in a blue moon' means