您的位置: 首页 > 作业答案 > 英语 > There ------great changes in our country in the past few years.there be 句型,横线上应该填什么

There ------great changes in our country in the past few years.there be 句型,横线上应该填什么

分类: 作业答案 • 2021-12-20 07:09:13

问题描述：

There ------great changes in our country in the past few years.there be 句型,横线上应该填什么

答

have been
从后面有in the past few years可知是现在完成时