Bangladesh is a (a) — (river) and (b) — (agriculture) country. So, we cannot ignore the (c) — (important) of rivers. Our agriculture is largely (d) — (depend) on the rivers. But we get (e) — (sufficient) water for use from the rivers. There are (f) — (differ) reasons behind it. At first the water of many rivers (g) — (dry) up in summer. Again, the water of some rivers is (h) — (extreme) poisonous. This poisonous water is (i) — (suit) for our agriculture. So, water pollution should be prevented at any cost for the (j) — (better) of our agriculture.