There used to be three telephones on the desk.(改为一般疑问句)_英语解答

There used to be three telephones on the desk.(改为一般疑问句)

人气：238 ℃　时间：2020-03-21 17:27:21

解答

Used there to be three telephones on the desk?
或者：
Did there use to be three telephones on the desk?