the number of foreign students attending chinese universities has been rising steadily since 1997为什么用has been

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 16:10:12

the number of foreign students attending chinese universities has been rising steadily since 1997为什么用has been
the number of foreign students attending chinese universities has been rising steadily since 1997
为什么用has been

the number of foreign students attending chinese universities has been rising steadily since 1997为什么用has been
过去完成式,而且表示一种状态.不知可否如此解释?