In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Today, lets explore the significant role of human beings in shaping the world as we know it. Can you 1._______ a world without human beings? Who would have 2._______ the resources and created social and cultural environment? The people are 3._____ to develop the economy and the society. The people make and use resources and are themselves resources with 4._____ quality. Coal is but a piece of rock, until people were able to 5.____ technology to obtain it and make it a ‘resource’.