[9급 국가직 영어 2020년 5번]

어법상 옳은 것은?
영어
  1. The traffic of a big city is busier than those of a small city.
  2. I’ll think of you when I’ll be lying on the beach next week.
  3. Raisins were once an expensive food, and only the wealth ate them.
  4. The intensity of a color is related to how much gray the color contains.
정답 ④

출처: 인사혁신처 공개 기출(공공데이터포털, 이용허락 제한 없음)