A. INSTANCE B. CASE C. SPECIMEN D. MODEL

50. - DE THI THU THPT MOONVN CUA CO MAI PHUONG CO DAP AN BAN WORD DE 2
DE THI THU THPT MOONVN CUA CO MAI PHUONG CO DAP AN BAN WORD DE 2
50. A. instance B. case C. specimen D. model