It seems he has submitted H1B extension, so my undestanding is

来源: 于 2010-01-20 14:14:58 [旧帖] [给我悄悄话] 本文已被阅读：次

as long as he got H1B extention receipt, he can continue to work while doesn't need to wait until H1B extention approved or neither I-140 approved (as long as I-140 pending more 365 days).