Do you remember the story of 1____Greek scientist Archimedes? He was trying to solve 2____problem in 3_____physics – how to show if the king’s crown was made of 4_____ gold or not.
He thought and thought, but he could not find the answer. So he stopped worrying and had 5___ bath instead. Suddenly, 6___ answer came to his mind. He was so excited that he jumped out of his bath, naked, and ran down the street shouting, ‘I’ve found it!’ Actually, what he said in 7____ Ancient Greek was ‘Eureka!’ We still use this word in 8____English when we suddenly find 9___ answer to a problem.