问题
选择题
—China is a great country.
—Yes. Great changes ______ in China in the last thirty years. [ ]
A. took place
B. have taken place
C. happened
D. were happened
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—China is a great country.
—Yes. Great changes ______ in China in the last thirty years. [ ]
A. took place
B. have taken place
C. happened
D. were happened
答案：B
