모두CBT
Which is the most appropriate expression for blank ⓐ?
I'll let you in.
He stepped out of his office.
He is not at his desk.
You'd better change your appointment.
내용에 오류가 있거나 최신 법령·기준과 다른 부분이 보이면 알려주세요. 확인 후 반영하겠습니다.
