英语高手来帮我把这句改成被动语态再变成否定句和疑问句
问题描述：
英语高手来帮我把这句改成被动语态再变成否定句和疑问句
They make TV setsin that factory.
答
TV sets are made by them in that factory.
Are TV sets made by them in that factory?
TV sets are not made by them in that factory.