প্রশ্ন ও উত্তর
Although a few years ago the fundamental fact about the milky-way seemed fairly well - now even its mass and radius have come into - .
English English Grammar 05 Oct, 2018
প্রশ্ন Although a few years ago the fundamental fact about the milky-way seemed fairly well - now even its mass and radius have come into - .
সঠিক উত্তর
established - question
মন্তব্য
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