While he was investigating ways to improve the telescope, Newton made _______ discovery which completely changed _______ man’s understanding of colour.
A.a;/ | B.a;the |
C./;the | D.the;a |
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While he was investigating ways to improve the telescope, Newton made _______ discovery which completely changed _______ man’s understanding of colour.
A.a;/ | B.a;the |
C./;the | D.the;a |