PPSC Past Paper Elementary School Educator General in Labour & Human Resource Department. 2019 Solved MCQs, Computer MCQs, Computer Short keys MCQs, PPSC Solved Past Papers MCQsSelected paragraph up key?A. Alt + shift + down+ arrow B. Alt + shift + up arrow C. Alt + shift + arrow D. none of these In which civilization River Tigris and Euphrates lies?Where in Excel address of an active cell is displayed?