Вставьте предлоги –at, on 1) i get up … seven o`clock or … a quarter past seven. 2) … saturday i usually get up … nine o`clock or half past nine. 3) my birthday is … the ninth of july. 4) the school year begins … the first of september. 5) … the twenty-fifth of december people celebrate christmas. 6) … wednesday i usually have a lot of homework.