Complete the following text with right forms of verbs given in the box:

make	kill	throw	see	ensure
originate	work	live	be	have

Rivers generally (a) ---from a mountain or a lake. They (b)----- very much important for our existence and economy. But unfortunately, we are (c) -------our rivers, choking it with toxic wastes from dyeing and textile factories. Most of the industries (d)------ waste treatment plants. These kinds of industries are (e)------releasing untreated liquid waste directly and (f)--------- the water polluted. Our unconscious people also (g) ----- different kinds of waste materials into the rivers directly. So to keep existence of fishes and other species (h)----- in the water is impossible. It is high time the government and the conscious people (i)-------- together to save the rivers. Otherwise a happy, prosperous and pollution free environment for the next generation can't be (j )-----.