১০০ দিনে বিসিএস প্রস্তুতি [বিষয়ভিত্তিক]৮টি পরীক্ষায় এসেছেপ্রশ্ন ১২pick out the correct sentence.কক) One of the most significant phenomenons of our time has been the development of cinema.খখ) One of the most significant phenomena of our time has been the development of cinema.গগ) One of the most significant phenomenon of our time has been the development of cinema.ঘঘ) One of the most significant phenomenonas of our time has been the development of cinema.উত্তর দেখুন