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