Directions: Fill in the numbered blank (iv) with the best option from those given.

Directions: Fill in the numbered blank with the best option from those given.

There was a time when scientists were in ____(i)_____ of what was known as the philosopher's stone which was believed to _____(ii)_____ metals into gold just with a touch. They also tried to discover the elixir (something that can make people live for ever) of life. This was an imaginary medicine _____(iii)_______ making people _____(iv)_______. This period was called the age of the _____(v)_____.