৫১তম বিসিএস ফাইনাল মডেল টেস্ট ও রিভিশন১টি পরীক্ষায় এসেছেপ্রশ্ন ১১৮Akash said that "I must write a letter." ( Make it indirect)কক) Akash said that he must had to write a letter.খখ) Akash told that he must have to write a letter.গগ) Akash said that he had to write a letter.ঘঘ) Akash told that he would have to write a letter.উত্তর দেখুন