MCQ Practice English 📖 Find the correct sentence with appropriate preposition. A Industry is key for success B Industry is key into success C Industry is key of success D Industry is key on success 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 PreviousFind the correct sentence : NextFind the correct use of with :