Can I enter USA with B1/B2 visa when my H1-B petition is approve

My H1-B petition is approved and I will go to apply H1-B visa at the end of April. However, I was invited go USA to give a talk at a conference in the middle of April. May I enter USA with B1/B2 visa at this situatoin? I just heard I could not enter USA at my current situation. Please give me some info ig you know. Thanks a lot.

所有跟帖： 

• Yes,but then you have to apply to change your B status to H agai -xiaobaitu- ♀ (0 bytes) () 04/03/2007 postreply 15:31:01

• 回複：Yes,but then you have to apply to change your B status to -cici07- ♀ (273 bytes) () 04/03/2007 postreply 16:36:45

• 回複：再次請教小白兔，我要請先申請H1嗎？ -cici07- ♀ (275 bytes) () 04/03/2007 postreply 17:27:50

• 你可以用B簽證去開會，之後要離境簽H1 -xiaobaitu- ♀ (0 bytes) () 04/03/2007 postreply 18:14:26

• 回複：我訂的往返機票。開完會回到加拿大，再去簽證。 就是擔心現有 -cici07- ♀ (0 bytes) () 04/03/2007 postreply 18:33:17