TASK 2. Choose the letter A, B, C or D to complete the passage below.

Sir Isaac Newton was an English mathematician and physicist who lived from 1642 to 1727. He was the (1) _________ of gravity. He discovered gravity in 1666 when he saw a (2) _________ apple. He thought that there was a (3) _________ of nature moving the apple. Newton called this force "gravity". He then determined that there are forces between all (4) _________. This discovery is very important and has many (5) _________ in physics.

He was the (1) _________ of gravity.