美国B1/B2签证的问题!!请帮忙!!

遥望

第一次申请美国B1/B2签证,有两个问题想请大家帮忙解答:
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8 e. d4 p+ i0 k& E0 N' o9 U(1) 我今天在网上预约的appointment,请问最晚什么时候必须在网上填写DS-156表啊?

8 ]# q6 U& B: ]" q, k! W' w(2) 我是加拿大的移民.这次申请visa是因为要去美国面试.美国的公司给了邀请信.但
是好像听说以面试的原因来签证容易被拒.是这样吗? 有朋友建议请我的美国朋友写封
8 ~% w; X- ~% f邀请信,以看朋友的名义去签会容易一点.请问一下大家的意见.多谢!!!!!

Tara2009

1.you can fill DS156 even in the consulate U.S. Calgary. There are two desktops and one printer there. I saw somebody busy filling the form there. I finished this form one day before my appointment.
8 B# q1 T  i; k8 s5 E' v5 @2. I don't have experience in your situation. However, I did not see any rejection in Calgary that day I was interviewed. Because everyone was asked to give them a X PRESS envelope. Nobody had the passport returned the same day (that means rejection). More than 120 people were interviewed that morning.