৯ম - ১৩তম গ্রেড পরীক্ষার প্রস্তুতি১টি পরীক্ষায় এসেছেপ্রশ্ন ৪০The passive form of: "Has anybody solved the problems?"কHas the problem be solved by anybody?খHave the problems been solved by anybody?গHas the problems been solved by anybody?ঘHas the problem been solved by anybody?উত্তর দেখুন