A. DOWN B. ON TO C. UP D. ON.CHOOSE THE BEST ANSWER AMONG (...

49. - 3 DE THI THU DAI HOC VA DAP AN
Lớp 12 Tiếng Anh 3 DE THI THU DAI HOC VA DAP AN
49.A. down B. on to C. up D. on.Choose the best answer among (A, B, C or D ) that best completes each sentence or best substitutes the underlined word(s).