Vocabulary Booster১টি পরীক্ষায় এসেছেপ্রশ্ন ২১What is the meaning of the idiom- 'Blue ribbon'? কক) To have a high social position and be rich from birth.খখ) The highest prize in a competition or event.গগ) A very close or intimate friend.ঘঘ) The most important fact in a situation.উত্তর দেখুন