ব্যাংক নিয়োগ বিষয়ভিত্তিক প্রস্তুতি৪১৯টি পরীক্ষায় এসেছেপ্রশ্ন ২২Choose the correct sentence.কNo sooner have they started the meeting than the fire alarm went off.খNo sooner had they started the meeting than the fire alarm had went off.গNo sooner had they started the meeting then the fire alarm went off.ঘNo sooner had they started the meeting than the fire alarm went off.উত্তর দেখুন