Question

mn giúp em

Answer 1

1B

2D

3B

4A

5B

6A

7B

8C

9A

10B

Answer 2

^{_{1. B}}

^{_{2. D}}

^{_{3. B}}

^{_{4. A}}

^{_{5. B}}

^{_{6. A}}

^{_{7. B}}

^{_{8. C}}

^{_{9. A}}

^{_{10. B}}