[질문] 필히통하는 고등영문법 실력편 41쪽 답쫌요ㅠㅠ

15.② 16.④ 17.⑤ 18.have → had 19.had→have 20.will → would 21.will succeed→succeed 22.had changed→changed 23.have made→made 24.had been→has