As a result, certain (6) materias such as timber, water and minerals are beginning to short. A. raw B. coarse C. crude D. rough51/134As a result, certain (6) _______ materias such as timber, water and minerals are beginning to (7) _______ short. raw coarse crude roughGiải thíchLời giải: Đáp án:A 6. raw material: nguyên liệu thô