我一个朋友在国内,eb1a的140过了。他现在有b2签证，他可不可以用b2来美国交485.多谢。
-He needs to find a job and use the job offer letter to apply for the immigrqant grant visa in China, or apply for H-1B isa to enter US to file I-485. If he enters US using B-2 visa and file I-485, USCIS possibly may consider him to have visa fraud.
