[9급 국가직 영어 2012년 5번]

밑줄 친 부분 중 어법상 옳지 않은 것은?
A man who ① shoplifted from the Woolworth's store in Shanton in 1952 recently sent the shop an anonymous letter of apology. In it, he said, "I ② have been guilt-ridden all these days." The item he ③ stole was a two dollar toy. He enclosed a money order ④ paid back the two dollars with interest.
영어
정답 ④

출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)