Fill in: She congratulated him _____ his success. MEDIUM 2 Points -0.25 Negative MCQ #2647 English Grammar & Vocabulary Federal NTS Question Fill in: She congratulated him _____ his success. Options A for B on C about D with Reveal Answer Reset 📝 Explanation Correct: 'congratulated him on his success'. ← Previous MCQ📋 All MCQs📚 LearnNext MCQ → Related MCQs HARD 'Penultimate' means MEDIUM Synonym of 'zenith' is HARD The word 'alumni' is plural of