MCQ Practice English 📖 Happiness consists --- self -con contenment . Which one of the following is the appropriate preposition for the gap. A in B of C on D to 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 PreviousHand শব্দটির Verb হচ্ছে ----? NextHe appointed me --- this post.