国家开放大学 / 综合英语（2）
正确率：100%
3. The words in the following mean the same thing EXCEPT for _ _ _ _ _ _ _ _ .
a. Retirement centers
b.Retirement sites
c.Retirement state
d.Retirement communities
a. Retirement centers
b.Retirement sites
c.Retirement state
d.Retirement communities
参考答案：
佳题速递：