ব্যাংক মডেল টেস্ট [সাপ্তাহিক]১৯টি পরীক্ষায় এসেছেপ্রশ্ন ৫০Choose the correct answer.কক) We reached the school before the bell ring.খখ) We reached the school before the bell rung.গগ) We had reached the school before the ball rang.ঘঘ) We had reached the school before the ball rung. উত্তর দেখুন