In the last few years,there _______ great changes in the country.A.had been B.were C.have been D.h
问题描述：
In the last few years,there _______ great changes in the country.A.had been B.were C.have been D.h
说明为什么 为什么不用has
答
C
在最近几年里,这个国家发生了很多改变.
用现在完成时
great changes 是复数