1: One

2: Two

3:three

4 : Four

5: Five

6: Six

 7: Seven

8: Eight

9:nine

10: Ten

11 eleven

12 twelve 

13 thirteen

14 fourteen

 15 fifteen

16 sixteen

17 seventeen

18 eighteen 

19 nineteen

20 twenty

21 twenty- one

22 twenty- two

 23 twenty- three 

24 twenty- four

25 twenty- five 

26 twenty- six  

 27 twenty- seven  

28 twenty- eight 

29 twenty- nine  

30 thirty  

         Cho mk xin trả lời hay nhất

one

two

three

four

five

six

seven

eight

nine

ten

eleven

twelve

thirteen

fourteen

fifteen

sixteen

seventeen

eighteen

nineteen

twenty

twenty-one

twenty-two

twenty-three

twenty-four

twenty-five

twenty-six

twenty-seven

twenty-eight

twenty-nine

thirty