문제 내용: 밑줄 친 부분에 들어갈 말로 가장 적절한 것은?
선택지 1: ① There's no sense in beating yourself up over this
선택지 2: ② I never thought I would see you here
선택지 3: ③Actually, we were very disappointed
선택지 4: ④ I can't thank you enough for helping me with it