請教８大師和皮匠大師: I－４８５體檢結果有效期

is half year or one year? or thers?

2nd Q:

In all forms, C/O (in care of) to fill "none" or "N/A"?

 

3rd Q:

I-485, Part 5, Applicant's Statement: either of two options is not applicable for kids (my son is nine years old). You told us we should put kids' name in "Applicant" and sign it with kids' name plus parenets' name.

Should I put my name in "interpreter"? Eventually, he can't understand fully the forms in English or in Chinese. Which option is chose: either " I can read....." or "each and every.......", as said, either of them is not good for kids