এনএসআই [NSI] নিয়োগ প্রস্তুতি [Archived]১৬টি পরীক্ষায় এসেছেপ্রশ্ন ৩৪Identify the correct one.কThey had eaten dinner before the movie had began.খThey had eaten dinner before the movie began.গThey eaten dinner before the movie began.ঘThey had eaten dinner before the movie begain.উত্তর দেখুন