Bài Làm:
| 1 | A | 11 | C | 21 | B | 31 | C |
| 2 | C | 12 | D | 22 | A | 32 | A |
| 3 | B | 13 | A | 23 | D | 33 | A |
| 4 | C | 14 | D | 24 | A | 34 | C |
| 5 | A | 15 | B | 25 | C | 35 | D |
| 6 | D | 16 | D | 26 | D | 36 | B |
| 7 | B | 17 | C | 27 | C | 37 | B |
| 8 | B | 18 | A | 28 | C | 38 | D |
| 9 | D | 19 | B | 29 | B | 39 | C |
| 10 | B | 20 | A | 30 | A | 40 | D |