MCQ Practice English 📖 The participants ---- working on the complex project for one hour when he suddenly --- the room. A are/ comes B had been/ entered C have/ will enter D were/ entered 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 PreviousThe light went out while I ------- NextThe patient ---- before the doctor came.