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