MCQ Practice English 📖 His friends mourned ---- the death ---- his mother. A at , of B of , of C on , over D over , of 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--- his earlier study, the Professor's new study indicates a general warning trend in global weather. NextHis house is adjacent ---- mine.