老师:
In I-539, Part 4, Additional information If you answered "No" to Question 3g in Part 4 on Page 3 of this form, fully describe how you are supporting yourself. Include the source, amount and basis for any income
1.我想为父母探亲B2延期，此处应该写申请人我父亲本人在中国的存款及工资证明还是写他们在美国是由我support everything,include a I-134 form?
2.您说回程机票很重要，我准备11月份开始办延期（他们签证12月份到期）是不是我应该订明年他们回国的机票并将机票复印件附在延期申请中？谢谢大师！