Ответ:
a)
- 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
b)
- 31st — thirty-first
- 42nd — forty-second
- 53rd — fifty-third
- 64th — sixty-fourth
- 118th — one hundred and eighteenth
- 329th — three hundred and twenty-ninth
- 40th — fortieth
- 50th — fiftieth
- 60th — sixtieth
- 70th — seventieth
- 80th — eightieth
- 90th — ninetieth
- 100th — one hundredth
Примеры словосочетаний: the 21st of September — the twenty-first of September; the 63rd birthday — the sixty-third birthday.
