There are many people who (a) — (not take) physical exercise. They can hardly (b) — (realize) that they themselves (c) — (ruin) their health. They (d) — (fall) victim to many diseases. Le (e) — (become) dull to them. They (f) — (remain) always ill tempered. We (g) — (build) good health and sound mind through physical exercise. Physical exercise (h) — (make) our body active and the muscles strong. It also (i) — (improve) our power of digestion and blood circulation. It (j)