Which is the MOST appropriate expression for the blank below?

1could you please interrupt him for me?
2please ask him to be on the line.
3I can't wait until he is on the line.
4please tell him that I'm on the line.
해설
등록된 해설이 없습니다.
내용에 오류가 있거나 최신 법령·기준과 다른 부분이 보이면 알려주세요. 확인 후 반영하겠습니다.