The number of foreign students attending Chinese universities _________(rise) steadily since 1997.
问题描述:
The number of foreign students attending Chinese universities _________(rise) steadily since 1997.
用所给词的正确形式填空.have been rising.为什么要用rising呢?
答
has been rising
自从1987以来外国学生在中国大学留学的数量一直平稳增长.
用rising是表示一直以来持续的状态~
还有,要用has才对,因为主语是The number,为单数