Question

Giúp mình với ạ

Answer 1

third

Answer 2

third

Answer 3

r

Answer 4

1 A

2 A

3 C

4 D

5 B

6 A

7 B

8 A

9 C

10 D

Ex2

1 D

2 B

3 C

4 D

5 A

6 B

7 C

8 C

9 D

10 A

Ex3

1 C

2 A

3 B

4 C

5 C

6 B

7 D

8 B

9 D

10 D

Ex4 

1 B

2 A

3 D

4 B

5 A

6 C