_________ UNTIL THE TWELFTH CENTURY THAT THE MAGNETIC COMPASS WAS...
44. _________ until the twelfth century that the magnetic compass was used for navigation.
A. Its not being
B. It was not
C. Not
D. Was not
44. _________ until the twelfth century that the magnetic compass was used for navigation.
A. Its not being
B. It was not
C. Not
D. Was not