两个都不妥,问题的关键并不在 at 。1. 这样的问句,道地的说法不用 what 而用 which.2. do 不合适;通常只有在过去时问句中可能出现用did, 现在时多半用进行式 are you staying,未来时可以用 will 或者 would。最顺口的提问方式如下:过去:Which hotel did you stay at?现在:Which hotel are you staying at?未来:At which hotel would you stay? 或者 Which hotel will you be staying at? 不信,找个老外或华侨问问。...