The key answer of exercise 11
The key to exercise solutions in chapter B - Your Family for the textbook New Challenges 1 - Student's Book with authors Michael Harris, Amanda Maris and David Mower from Pearson Education
Question
Look at the Key Words. Write the missing numbers. Then listen and check.
Answer
first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth, twentieth, twenty-first, twenty-second, twenty-third, twenty-fourth, twenty-fifth, twenty-sixth, twenty-seventh, twenty-eighth, twenty-ninth, thirtieth, thirty-first