Much （）to help the farmer in our country in the past few years.A：_英语解答

Much （）to help the farmer in our country in the past few years.
A：has been done
B：was done 选哪个为什么啊

人气：111 ℃　时间：2019-10-19 22:11:10

解答

A
in the past few years在最近几年,用现在完成时