2.The total number of the population in China _______ about 1, 300 million in 1999
A.added up
B.was
C.were
D.be
正确答案是B
2.The total number of the population in China _______ about 1, 300 million in 1999
A.added up
B.was
C.were
D.be
正确答案是B