where were you that time?was dinner ready at that time?为什么都是时间状语,但却一个加at,一个不加

Where were you that Where were you 28.Where were you _____ that time?A.in B.on C.at D./28.Where were you _____ that time?A.in B.on C.at D./ where were you _____we were looking for you everywhere A that B while C at D whereA that B while C at D where Where were you yesterday?为什么用were Where were you this afternoon? Where were you yesterday?翻译 where were you yesterday evening Where were you on earth? 英语where were you bom? That you were 还原When and where was it that you were born?成非强调句谢谢 Where is the pencil that you were playing with?这句话可以吗? （ ）you met the Englishman?A.Where it was B.who it was that C.Where was it that D.Were was that 是Where were you born ? 还是Where are you born ? Where were you go Where did you go?哪个对 -Where’s that report -I brought it to you when you were in Mr.Black’s office yesterday .汉语翻译 Could you tell me where you were studying at that time?这句话准确意思 还有涉及到什么语法知识