问题补充:
Our school in the last five years.
A. changed
B. has changed
C. is changed
D. has been changed
答案:
A. changed
(答案→)B. has changed
C. is changed
D. has been changed
解析:句意:我们的学校在过去的五年已经改变了。根据in the last five years知道用现在完成时,由于change没有被动语态。用主动语态表示被动的意思。选B。