৪৫ দিনে ৫০তম বিসিএস প্রস্তুতি [বিষয়ভিত্তিক] - Archived৪১৯টি পরীক্ষায় এসেছেপ্রশ্ন ৩৬Choose the correct sentence.কShe had completed her homework before her friends arrived.খShe had completed her homework before her friends arrives.গShe had completed her homework before her friends had arrived.ঘShe completed her homework before her friends arrived.উত্তর দেখুন