Multiple choice technology operating systems Fill down the selection the same content of selected cell CTRL + D CTRL + E CTRL + Y CTRL + A Reveal answer Fill a bubble to check yourself A Correct answer Explanation In Excel, Ctrl + D is the shortcut for "Fill Down," which copies the content and format of the topmost cell of a selected range into the cells below it. Ctrl + A selects the entire sheet, Ctrl + Y redoes an action, and Ctrl + E triggers Flash Fill.