①by this time next year, judith②not only ③will have learned the art of rhetoric, but ④will also deliver speeches before the public.
여기서 4번이 틀렸다는데 ㅜㅜ 잘 모르겠습니다.
질문드리겠습니다 힘내세요 ㅋㅋㅋㅋ
--무렵이면 --했을 것이다
따라서 will also have delivered