৯ম - ১৩তম গ্রেড পরীক্ষার প্রস্তুতি১টি পরীক্ষায় এসেছেপ্রশ্ন ৬৪The correct passive of 'Medha was writing a letter'.কক) A letter was written by Medhaখখ) A letter was being written by Medhaগগ) A letter was being writing by Medhaঘঘ) A letter was been written by Medhaউত্তর দেখুন