The questioms when a person interview for travel to US?

The person has to answer when they are interviewed from Vietnam to US
The questioms when a person interview for travel to US?
i don't really remember this much since i move here when i was 10 and now i'm 14
i think they asked my mom what is her relationship to the person who sponsor her to America
is that person a america citizen?
and stuff
The questioms when a person interview for travel to US?
ong khong biet, ma chuc ban thanh cong tra lai nhung cau hoi ho.
ong khong biet, ma chuc ban thanh cong tra lai nhung cau hoi ho.