[9급 국가직 영어 2017년 5번]

어법상 옳은 것은?
영어
  1. They didn't believe his story, and neither did I.
  2. The sport in that I am most interested is soccer.
  3. Jamie learned from the book that World War I had broken out in 1914.
  4. Two factors have made scientists difficult to determine the number of species on Earth.
정답 ①

출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)