MCQ Practice English 📖 I helped her solve the problem. (Passive) A Her problems was solved by me B She was helped solve the problem C She was helped to solve the problem by me D The problem was solved by me 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' I have written a letter ' The correct passive form of the sentence is ----? NextI knew him. Make it passive voice .