ফ্রি সাপ্তাহিক মডেল টেস্ট১৯৭টি পরীক্ষায় এসেছেপ্রশ্ন ৪১Which of the following sentences is correct?কক) One-third of the work has been finished. খখ) One-third of the work have been finished. গগ) One-third of the work were finished. ঘঘ) One-third of the work have finished. উত্তর দেখুন