Đáp án tham khảo có thể sai:
1a, 2a, 3d, 4a, 5c, 6d, 7a, 8c, 9a, 10a, 11a, 12b, 13d, 14a, 15d, 16e, 17a, 18a, 19d, 20a, 21b, 22c, 23b, 24a, 25c, 26c, 27b, 28c, 29d, 30d, 31b, 32a, 33b, 34d, 35b, 36a, 38a, 39d, 40d, 41a, 42a, 43d, 44d, 45b, 46e, 47b, 48c, 49d, 50d. Source: MAD101 - C1 - FE - SU 2023