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