回複：謝謝8老師解答！還有：

1。在I864， part 5, question 6 "if you have sponsored any other persons on an I864 who are now permanent resident, enter the number here, 我應該填1， 對吧，雖然我爸（媽）此時還沒有綠卡？這樣 household size才能是3。
-Correct.
 

2。同時給父母申請 I130 和 I485 （I 864），輔助材料： tax return, pay stubs for 6 months， empolyment verification letter, bank statment , 都要交兩份嗎？
-Yes. They are different and separate cases.