MCQ Practice English 📖 'He heard her sing'. The passive voice of the sentence is - A She is heard to sing. B She was heard sing by him. C She was heard to be sung. D She was heard to sing by him. 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 Previous'He has a cow'. The best passive form is ----? Next'He helped me do it'. The passive voice of the sentence is -