回复：回复：H-1 extension problem

1 也就是说,H1-B第六年结束时,你正等待LC,而且等待时间为此365天,这时候你可以申请第七年的延长.
Yes

2 如果你在等待I-140,H1-B可以一次延长三年.
Rule 2 applied to those with approved I-140 but waiting for visa number. 等待I-140 needs to use the first rule.