Only after I read the book _______ why she devoted all her life to medical work for
Chinese women and children.
A.I understood | B.had I understood |
C.did I understand | D.I had understood |
推荐套卷
Only after I read the book _______ why she devoted all her life to medical work for
Chinese women and children.
A.I understood | B.had I understood |
C.did I understand | D.I had understood |