Homo erectus pekinensis(北京人)________in Zhoukoudian Village,on the Longgu Mountain,Fangshan District,Beijing.
A.has discovered |
B.was discovered |
C.is discovered |
D.will discover |
Homo erectus pekinensis(北京人)________in Zhoukoudian Village,on the Longgu Mountain,Fangshan District,Beijing.
A.has discovered |
B.was discovered |
C.is discovered |
D.will discover |