Read the passage and then choose the best answer for the question

Isaac Newton, one of the greatest scientists, was born (1) ______ December 25th, 1642 in a small village in Wool Thorpe in England. His father was a poor farmer. When the boy was fourteen, his father died. Newton (2) ______ school and helped his mother on the farm. (3) ________ he was fond of physics and math, Newton was sent to school. (4) ______ he left high school, Newton studied at Cambridge University. In 1667 he became a professor on math at Cambridge University. His greatest invention is the (5) ______ of gravitation. He died in 1727.

Isaac Newton, one of the greatest scientists, was born (1) ______ December 25th, 1642 in a small village in Wool Thorpe in England.