great changes ___in our hometown in the past ten years

问题描述:

great changes ___in our hometown in the past ten years
a have taken place
b have been taken place
c were taken place
为什么不用被动式

这题选A
为什么不用被动呢?
你用中文想一想,变化是发生了还是被发生呢?
我们只听过变化发生了吧~
所以不需要被动~