Margie had hoped he wouldn't know how to put it _________ again, but he knew how all right, and after an hour or _______, there it was again, large and black and _________, with a big screen on which all the lessons were shown and the questions were asked. That wasn't so bad. The part Margie hated most was the _______ where she had to put homework and test papers. She always had to write them out in a _______ code they made her learn when she was six years old, and the mechanical teacher _________ the mark in no time.