回复：请pj大人等各位帮忙，谢谢了！可以申请unpaid leave以后再付工资吗？

就是可以请公司先给unpaid leave,以后一个月再给paycheck吗？这样就可以多一个月时间。
-可以, as long as your company agree to do that.

或者，如果转成LD的h4,以后再转回H1,还要参加名额抽签吗？
-可以, you do not need to 参加名额抽签 any more if you change h4 status to H1 again.