minji cleaned her room. her mom told her to clean it
minji cleaned her room as her mom told her

jane became a teacher. her parents wanted her to be a teacher
jane became a teacher as her parents wanted.
자습서에 나온대로 정답을 썼는데 같은 형식의 문장인데 왜 두번째 문장에서는 her가 빠진 걸까요?