It'salreadytensofyears
问题详情:
It's already tens of years____the world's population reached five billion.( )
A.before B.after C.since
【回答】
C
知识点:连词
题型:选择题
问题详情:
It's already tens of years____the world's population reached five billion.( )
A.before B.after C.since
【回答】
C
知识点:连词
题型:选择题