Civil servants won’t leave their offices_______5 p. m. A. until B. to C. than D. inĐoạn văn11/30Part 1: Choose the word or phrase which best completes each sentence. Civil servants won’t leave their offices_______5 p. m. until to than inGiải thích Đáp án AGiải thích: Phủ định…=> until: đến khi.