다음 대화를 읽고, 질문에 대한 대답이 적절하지 않은 것을 고르시오.
A: May I please see your customs declaration form?B: Sure, here it is.
A: How long will you be staying in this country?B: We'll be here for 15 days.
A: Have you flown with us before?B: No, I've never been there.
A: Is your passport valid?B: It's valid until January 2012.
풀이가 아직 준비되지 않았어요