2017년12월16일 18번
[과목 구분 없음] 밑줄 친 부분에 들어갈 말로 가장 적절한 것을 고르시오.

- ① was afraid of making his lecture too formal
- ② elaborated on his theories without looking at his paper
- ③ began to read his lengthy and well-prepared paper faithfully
- ④ made use of lots of humorous gestures to attract the audience
(정답률: 52%)
문제 해설