Directions (1-10): Fill in the blanks choosing the word that is most appropriate in the context of the passage.
One of the greatest defects of our civilization is that it does not know what to do with its (1). Science has given us...................... (2) fit for the gods, yet we use them like .............(3) children. For example, we do not know how to..................... (4) our machines. (5) were made to be man’s servants; yet he has grown so.................... (6) on them that they, are in a fair way to become his......................... (7). Already, most (8) spend most of their times looking after, and ...................(9) for machines. And machines are very ....................(10) masters..................