Question

Giúp mình với mn

Answer 1

1 B

2 D

3 A

4 C

5 A

Answer 2

6 C

7 D

8 C

9 A

10 B

Answer 3

11 D

12 A

13 C

14 D

15 A

Answer 4

16 B

17 C

18 B

19 A

20 A