খাদ্য অধিদপ্তর নিয়োগ প্রস্তুতি৬০টি পরীক্ষায় এসেছেপ্রশ্ন ১৯Choose the correct sentence-কNo sooner had she finished her speech the lights went out.খNo sooner had she finished her speech than the lights went out.গNo sooner she had finished her speech than the lights went out.ঘNo sooner had she finished her speech then the lights went out.উত্তর দেখুন