MCQ Practice English 📖 He ---- at home, because the lights were on. A couldn't have been B must have been C mustn't have been D should have been 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 PreviousChoose the correct sentence. NextHe ----- to ----- in Khulna.