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