Помогите, пожалуйста. Впишите по одному слову в каждый пропуск

  • Sometimes, scientists know what they ... looking for and they find it. At other times, things ... discovered by accident. Two famous examples of this are gravity and penicillin.
    Isaac Newton, ... first used maths to describe gravity, was sitting ... his garden when he saw ... apple fall - some say it fell on his head! This made him think about why, and he realised he ... explain it using maths.
    Alexander Fleming discovered penicillin, ... was the first antibiotic. It completely changed medicine. He was working ... his laboratory when he saw that something ... started growing on one of his experiments. He analysed it and realised that it ... be very useful in fighting disease. Sometimes luck can be a big help!

  • Sometimes, scientists know what they .are.. looking for and they find it. At other times, things .are.. discovered by accident. Two famous examples of this are gravity and penicillin.
    Isaac Newton, .who.. first used maths to describe gravity, was sitting .in.. his garden when he saw .an.. apple fall - some say it fell on his head! This made him think about why, and he realised he .could.. explain it using maths.
    Alexander Fleming discovered penicillin, .which.. was the first antibiotic. It completely changed medicine. He was working .in.. his laboratory when he saw that something .had.. started growing on one of his experiments. He analysed it and realised that it ..might.. be very useful in fighting disease. Sometimes luck can be a big help!

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  • Ой, я не и думала, что всё так легко, спасибо огромное!))