MCQ Practice English 📖 " One in a blue moon " means - A Full moon night B On a moon lit night C Very often 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 Previous'On the sly' means--- NextOnly those who are not serious to their success work by ---- and stars.