有两个问题请教:
1, 现在的B签证都是十年期的吗?签证官是不是自动会给十年期的签证?
-Yes.
2,我要提供邀请信,雇主信和报税证明吗?
-Yes if you will support your parents travel fee (including living fee in US), and provide the completed I-134. These documents is for I-134 (see I-134 Instructions).
看起来好像不需要,可是不能确定。
衷心感谢!