The language lab_____(build) when I stayed there a few months ago.

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/25 21:56:42

The language lab_____(build) when I stayed there a few months ago.
The language lab_____(build) when I stayed there a few months ago.

The language lab_____(build) when I stayed there a few months ago.
was built
被动语态 的过去式

The language lab_were built____(build) when I stayed there a few months ago.

had been built 过去的过去,用过去完成时