Did they build a house here a year ago?帮我改成被动的,

问题描述:

Did they build a house here a year ago?
帮我改成被动的,

A house was built here by them a year ago.

did a house be built by them a year ago?

Did the house was build by them here a year ago?

Was a house built here a year ago?

Was a house built here by them a year ago?