题干

Britain, as well as many other industrialized countries, ______ major changes in the past 100 years.
A.have experiencedB.has experienced
C.have been experiencedD.has been experienced
上一题 下一题 0.64难度 单项选择 更新时间:2015-03-10 07:45:51

答案(点此获取答案解析)