i spent every summer on a farm.

① until my age was about twelve

② until i was about twelve

③ up until when i was about twelve

④ until twelve years old

⑤ until twelve years passed

정답은 2번인데요. 실력이 부족한 제가 보기엔 다 맞는 것 같이 보여서요;;;;

다른 보기들이 틀린 이유를 꼭 알려주시면 감사하겠습니다~!!

선생님들의 의견 부탁드립니다~!!!