1. Look at the following points. (1) The Great Wall of China was built over 2.000 years ago, by Qin Shi Huangdi. (2) Armies were stationed along the wall as a first line of defense against the invading nomadic tribes north of China known as the Huns. (3) The Great Wall is one of the largest building 5 construction projects ever completed. (4) The Great Wall can be seen from Earth orbit.the simple past passive voice sentences are shown by numbers.....
a.(1)dan(2)
b.(1) dan (3)
c.(2) dan (4)
d.(3) dan (4)​