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It took billions of years for life to emerge on earth, but the process of evolution produced that intelligent life was, relatively speaking, virtually instantaneous.

(1) for life
(2) earth
(3) produced that
(4) virtually

Source:http://sabrd.alc.co.jp/toefl/grammar/index.html
wakuover 3 years ago
accuracy rate:66 %
1 clone
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