Все слова в скобках нужно поставить в present perfect progressive

Question

Английский язык: Все слова в скобках нужно поставить в present perfect progressive

rollinz14 · Accepted Answer

1) In the childhood of Newton, according to the contemporaries, was silent, closed and famous, loves to read and master technical toys 2) In 1684, Newton began to watch gravity. He developed his theory of universal gravitation, which used the so-called law of inverse square. 3) Newton built the first reflector telescope and developed a color theory based on observations of the splitting of white light into the spectrum in an optical prism. 4) Newton made his discovery only 16 years later, finding...

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