Question

1

one

(the)   first

9

nine

 

13

 

(the)  thirteenth

15

fifteen

(the)

18

 

 

20

twenty

 

29

 

 

Answer 1

9 (the) ninth

13 thirteen 

15 (the) fifteenth

18 eighteen (the) eighteenth

20 (the) twentieth

29 twenty-nine (the) twenty-ninth