Fill in the gaps. use at, in or on. 1.my birthday is__23july. day i get o'clock and help my mother to clean the flat. we don't have school and my friends come o'clock.

1. My birthday is on 23 July.
2. In this day I get up at 9 o'clock and help my mother to clean the flat.
3.  In July we don't have school and my friends come at  12 o'clock.