HIEROGLYPHICS ... ON THE WALLS OF CAVES PROVIDE SCIENTISTS WITH IM...
23. Hieroglyphics ... on the walls of caves provide scientists with important details on
prehistoric man.
@A. painted
B. were painted
C. have been painted
D. that they painted
23. Hieroglyphics ... on the walls of caves provide scientists with important details on
prehistoric man.
@A. painted
B. were painted
C. have been painted
D. that they painted