Where were you yesterday?为什么没有介词?

Where were you yesterday?为什么没有介词? Where were you yesterday?为什么用were where were you yesterday evening Where were you yesterday?翻译 where did you take photos yesterday为什么不能写成where were you tak where were you yesterday?如何答 Where were you at 8:00 yesterday afternoon,maria?__________ Where were you yesterday?答句怎么写 Where were you yesterday?的汉语意思是? 1.what is your mother 2.where were you yesterday where were you yesterday的否定句怎么写?英语 were,you,where,evening,yesterday(?)连词成句