3. 1) May is the fifth month of the year.
2) July is the seventh month of the year.
3) August is the eighth month of the year.
4) October is the tenth month of the year.
5) December is the twelfth month of the year.
4. 1 \ one \ the first
9 \ nine \ the ninth
13 \ thirteen \ the thirteenth
15 \ fifteen \ the fifteenth
18 \ eighteen \ the eighteenth
20 \ twenty \ the twenties
29 \ twenty nine \ the twenty ninth.