MCQ Practice English 📖 A 'red letter day' means - A A day of joy B A historical day C A memorable day D A red day 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 PreviousA person Whose 'head is in the clouds' is--- Next"A sitting duck" is -