问题
选择题
Great changes __ in the city in the past 20 years, and a lot of factories ____.
A．have been taken place; have been set up
B．have taken place; have set up
C．have taken place; have been set up
D．were taken place; were set up
答案
答案：C
此题重点考查take place和set up两个短语的用法。前者表示发生，没有被动语态。Set up表示搭建有被动语态。