MCQ Practice English 📖 We waited until the plane-----. A did not take off B had not taken off C hsd taken off D took off 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 PreviousWe shall --- the work before he comes. NextWe were watching the news when the telephone---