Many trees ___(plant) in our school yard these years.1.have been planted 2.are planted选哪个?为什么?

分类: 作业答案 • 2022-07-06 10:20:53

问题描述：

Many trees ___(plant) in our school yard these years.1.have been planted 2.are planted
选哪个?为什么?

答

选1
理由：these years是一段时间用完成时；树是被种，用被动。

答

have been planted

答

1.have been planted
1）树是被种植,应该用被动
2）these years ,这些年是延续的时间,用现在完成时

答

1-----现在完成时的被动语态