ডেইলি কুইজ [২০০ দিন]১টি পরীক্ষায় এসেছেপ্রশ্ন ১৬Which is the example of a verbal noun among the underlined words?কক) Writing a good letter is difficult.খখ) The writing of a good letter is difficult.গগ) It is very difficult to write a good letter.ঘঘ) Good letter writing is difficult.উত্তর দেখুন