1. 다음 밑줄 친 부분의 용법이 다른 하나는?
① it is the accident that you are responsible for.
② it was tom that bought the car from jane yesterday.
③ it was very stupid that you complied with his request.
④ it was not until it started to rain that we finished the work.
⑤ how was it that he made it into such a prestigious college?
답이 3번인데요... 각 번호별 차이를 알려 주심 감사하겠습니다..^^