Direction:  In the following passage, some of the words have been left out and replaced by a blank represented by an alphabet. Read the passage carefully and try to understand what it is about and answer the questions that follow.

In the past, people understand the value of water and plan their lives around it. Moreover, many civilizations bloom and lost on account of water. Today we have knowledge _ (A)_ we still fail to understand the value of water.

Water scarcity is caused by _ (B) and excess population growth of the water resources. Also, it is a man-made issue that continues to rise. Besides, some of the reasons for water scarcity are- India is one of the major food growers in the world.

That produces tons of quantity of food to feed its population and export the _(C) _ that is left. In addition, producing this much food requires a lot of water too. The traditional method of irrigation wastes a lot of water due to evaporation, water conveyance, drainage, percolation, and the overuse of groundwater. The solution to this problem lies in the extensive irrigation techniques such as micro-irrigation in which we provide water to plants and crops using a sprinkler or drip irrigation. There is a/an _ (D) for an efficient system that can manage and distribute the water in urban areas. Also, the government should enhance its technology and investment in water treatment.

To conclude, water scarcity has become a more dangerous problem day by day. Also, due to our _ E_ that we haven't taken the problem water scarcity seriously. Now the authorities and people are working to resolve this problem so that our future generations  do not have to buy this necessity.

___ A ____