Fill in the blanks with suitable prepositions. You must have come across the name (a) ________ Leo Tolstoy, a great writer (b) ________ the world literature. No novelist stands parallel (c) ________ him. All his novels and short stories convey a message. His purpose (d) ________ writing was the purification (e) ________ human mind and soul ( f ) ________ all kinds of evils and misjudgments. His heroes suffer (g) ________ inner conflicts, pass (h) ________ ups and downs of life and struggle (i) ________ deprivation caused (j) ________ feudal and bourgeois society.