In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.Rainwater harvesting is one of the simplest ways to (1)____ the water crisis in our cities. Rain that fall…

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Rainwater harvesting is one of the simplest ways to (1)____ the water crisis in our cities. Rain that falls on rooftops is usually (2)____ into drains and lost. If it is collected and stored, it can (3)____ the groundwater and reduce our dependence on tankers. Many housing societies have already (4)____ this practice, and some have cut their water bills by nearly a third. What is needed now is greater (5)____ among ordinary citizens.

Select the most appropriate option to fill in blank number 1.

A. tackle

B. welcome

C. postpone

D. deepen