토플 공부
http://kin.naver.com/qna/detail.nhn?d1id=11&dirId=11080308&docId=277612729&sp=1&sort=time&sid=t4Itc3aPL6%2FJfKGJdUiAEg%3D%3D&rank=1&pid=TjK3%2BlpVuERsstgORq0ssssssDw-119993&search_sort=0&qb=7Yag7ZSMIOumrOyKpOuLnQ%3D%3D&spq=0§ion=kin&enc=utf8 http://blog.naver.com/pstoefl http://www.gohackers.com/?c=toefl/toefl_info/toeflnote&where=subject%7Ccontent&keyword=%EB%A6%AC%EC%8A%A4..