ফ্রি সাপ্তাহিক মডেল টেস্ট১টি পরীক্ষায় এসেছেপ্রশ্ন ১৫The puzzle was solved after hours of concentration. (Make it active)কSome people solved the puzzle after hours of concentration. খSomebody solved the puzzle after hours of concentration. গWe solved the puzzle after hours of concentration. ঘThe puzzle was solved by us after hours of concentration.উত্তর দেখুন