four

1 Giới thiệu nhân vật 

2 one 

3 two 

4 three 

5 four 

6 five 

7 six 

8 seven 

9 eight 

10 nine 

11 ten 

12 eleven 

13 twelve 

14 thirteen 

15 fourteen 

16 fifteen 

17 sixteen 

18 seventeen 

19 eighteen 

20 nineteen 

21 twenty 

22 twenty one 