3 a) Listen and repeat. 1st first, 2nd second, 3rd third, 4th fourth, 5th fifth, 6th sixth, 7th seventh, 8th eighth, 9th ninth, 10th tenth, 11th eleventh, 12th twelfth, 13th thirteenth, 14th fourteenth, 15th fifteenth, 16th sixteenth, 17th seventeenth, 18th eighteenth, 19th nineteenth, 20th twentieth.

Перевод задания: Послушайте и повторите.

1. 1st — first (первый)
2. 2nd — second (второй)
3. 3rd — third (третий)
4. 4th — fourth (четвёртый)
5. 5th — fifth (пятый)
6. 6th — sixth (шестой)
7. 7th — seventh (седьмой)
8. 8th — eighth (восьмой)
9. 9th — ninth (девятый)
10. 10th — tenth (десятый)
11. 11th — eleventh (одиннадцатый)
12. 12th — twelfth (двенадцатый)
13. 13th — thirteenth (тринадцатый)
14. 14th — fourteenth (четырнадцатый)
15. 15th — fifteenth (пятнадцатый)
16. 16th — sixteenth (шестнадцатый)
17. 17th — seventeenth (семнадцатый)
18. 18th — eighteenth (восемнадцатый)
19. 19th — nineteenth (девятнадцатый)
20. 20th — twentieth (двадцатый)