MCQ Practice English 📖 You ---- go to that room, it's forbidden! A don't have to B don't know how to C mustn't D shouldn't 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 PreviousWhich of the sentence is correct? NextYou had better --- or you will miss the train.