___ HE HAS FINISHED WRITING THE NOVEL IS UNKNOWN. A. IF B. WHETHER...

68. - TÀI LIỆU BO DE TRAC NGHIEM ON THI VAO 10
TÀI LIỆU BO DE TRAC NGHIEM ON THI VAO 10
68. ___ he has finished writing the novel is unknown. A. If B. Whether C. When D. While