Read the text and fill in the gaps with the correct form of verbs as per subject and context: People who (a) ——— (appear) most often and most gloriously in the pages of history (b) ——— (be) great conquerors and generals. Whereas, the people who really (c) ——— (help) civilization forward are often never (d) ——— (mention) at all. We do not know who first (e) ——— (set) a broken leg or (f) ——— (launch) a sea worthy boat or (g) ——— (calculate) the length of a year. The great men are those who (h) ——— (work) ceaselessly to quicken the pace of civilization. On the contrary, the condemned men are those who (i) ——— (cause) bloodshed and violence in the world. All of us praise the great men of the world. We are highly indebted to those great men who contributed a lot to (j) ——— (flourish) the civilization.