我的PD已到了倆个多月了, 可是一点动静都没有, service request 做了也没有用, 由于我用AC21东西岸换过工作和地址, 请教我应该怎么办 ? 先谢谢了. -Visit the local USCIS for the status. You may also ask the US Senator or Congressman in your state for help.