本來我還想6月份回一趟中國的,機票都定了,這下還要改票和重新簽中國簽證。
-Then, you can go to China in June and come back with your spouse together on September 22, 2013 or later using the H-1 approval notice (your spouse get the H-1b I-94, you and your child get the H-4 I-94). Because all of you are Canadian citizen, you do not need to get the visa in the US Embassy.