Alexander Fleming - penecillin.

English Corrections & Spelling 05 Oct, 2018

প্রশ্ন Alexander Fleming - penecillin.

  • ক.
    inventing
  • খ.
    discovered
  • গ.
    invented
  • ঘ.
    made

সঠিক উত্তর

discovered

মন্তব্য

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