H1B-DS156填写问题

1，Place of Issuance:：
我的护照刚刚renew，是芝加哥发的。
应该写
city：Chicago
Country：China
State/province：Chicago
对吗？

14，National Identification Number (If applicable)
是写我国内身份证号码吗？

21. Present Occupation：
博士后写postdoctoral fellow对吗？

22. When Do You Intend To Arrive In The U.S.?
写机票的返程日期，还是随便自己写一个？

26. How Long Do You Intend To Stay in The U.S.?填写合同上的期限？还是H1B的有效期3年？

29. Have You Ever Been in The U.S.?Enter Additional Visits to the U.S. Here: 什么意思？

30. Have You Ever Been Issued a U.S. Visa? Enter Additional Visa Issuances Here:什么意思？

36. Has Anyone Ever Filed an Immigrant Visa Petition on Your Behalf? 我在美国申请了绿卡：EB2NIW，这里如何填写？yes，然后写上我名字还是我律师名字？

37. Are Any of The Following Persons in The U.S., or Do They Have U.S. Legal Permanent Residence or U.S. Citizenship?
Mark YES or NO and indicate that person's status in the U.S. (i.e., U.S. legal permanent resident, U.S. citizen, visiting, studying, working, etc.).我一个人H1B回国探亲。老婆孩子在美国。这里是不是写yes，H4？

DS157、158对于renew H1B的还用填写吗？DS2019对于H1B不用填吧？