৪৮তম বিশেষ বিসিএস [স্বাস্থ্য] ⎯ সাধারণ অংশ [Archived]৪১৯টি পরীক্ষায় এসেছেপ্রশ্ন ৪Choose the correct sentence.কOne of the boys have done his homework.খOne of the boys were doing his homework.গOne of the boys has done his homework.ঘOne of the boys are done with his homework.উত্তর দেখুন