답변을 얻은 뒤 반드시 감사의 덧글을 남기고, 좋은 답변은 채택해 주시는 센스...
질문할 때 예의를 지키시기 바랍니다.(빨리... 고수분만..... 이런 식의 요구는 자제 바랍니다.)
질문 내용 :

Physical exercise helps improve your brain power as well as makes your body healthy.

not only but also로 바꾸면

1. Not only Physical exercise makes your body healthy but also helps improve your brain power.2. Physical exercise not only makes your body healthy, it also helps improve your brain power.3. Physical exercise not only makes your body healthy but also helps improve your brain power.4. Physical exercise not only makes your body healthy but it also helps improve your brain power.

4개 중 틀린것은 무엇인가요?