there're _(12) months in a year and december is the _(12)month of the year.根据括号里的填

there're _(12) months in a year and december is the _(12)month of the year.根据括号里的填
there're _(12) months in a year and december is the _(12)month of the year.根据括号里的填

there're _(12) months in a year and december is the _(12)month of the year.根据括号里的填
twelve
twelfth