謝謝兩位老師,
目前是有I797, 不知道如果去加拿大的話, 是否可以
1.) Submit I-94 when leave U.S
2.) Come back without new H4 visa since we have I797 paper,
which expires on March 2012. Heard from attoney that there
is 30-day rule when travel to Canada.
如果實在不行, 隻好現在預約美國駐加拿大使館, 簽證了。
多謝