问题
选择题
Great changes _________ in China in the last two decades.
A．have taken place
B．took place
C．have been taken place
D．are taking place
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Great changes _________ in China in the last two decades.
A．have taken place
B．took place
C．have been taken place
D．are taking place
答案：A