The present world is very competitive. Therefore, you need to be (a). As a student, you should have full (b) on your studies. You should not (c) blind (d) your studies. Nothing can (e) for your loss (f) wasting time. There is no (g) the fact that (h) depends on hard labour. Therefore, you must shake (i) your idleness. Idleness brings (j) ruin.