AT ONE TIME THE ENTIRE WORLD_____BY DINOSAURS.A.WAS RULING B. WAS R...
32.At one time the entire world_____by dinosaurs.
A.was ruling
B. was ruled
C.has ruled
D.will be ruled
32.At one time the entire world_____by dinosaurs.
A.was ruling
B. was ruled
C.has ruled
D.will be ruled