Question

Answer 1

1c - 2b - 3c - 4c - 5d - 6a - 7b - 8d - 9c - 10a - 11d - 12a - 13a - 14b 

15b (đọc theo kiểu US) - 16a - 17c - 18d - 19c - 20d

Answer 2

1C

2B

3C

4C

5D

6A

7B

8D

9C

10A

11D

12A

13A

14B

15B

16A

17C

18D

19C

20D

Answer 3

1 C

2 B

3 C

4 C

5 D

6 A

7 B

8 D

9 C

10 A

11 B

12 A

13 A

14 B

15 B

16 A

17 A

18 D

19 C

20 D