Man did not know that the earth moves round the sun until was____
A. demonstrated
B. discovered
C. experimented
D. Invented
সঠিক উত্তরঃ
B.
discovered
Explanation: শূণ্যস্থানে ‘আবিষ্কার হওয়া’ অর্থে discovered বসালে বাক্যটি যথাযথ হয়। Man did not know that the earth moves round the sun until was discovered - আবিষ্কার হওয়ার আগ পর্যন্ত মানুষ জানতেইনা যে পৃথিবী সূর্যের চারদিকে ঘোরে।
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