They were building a new hotel while I was there.(划线词：a new hotel) 嗯,大师们帮忙改成被动语态!
问题描述：
They were building a new hotel while I was there.(划线词：a new hotel) 嗯,大师们帮忙改成被动语态!
答
A new hotel was being built by them while i was there.