다음 중 어법상 옳은 것은?
- ①Many a careless walker was killed in the street.
- ②Each officer must perform their duties efficient.
- ③However you may try hard, you cannot carry it out.
- ④German shepherd dogs are smart, alert, and loyalty.
선지를 골라 바로 채점해 보세요.
정답 ①
출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)