how was your school day?good.I had_____meeting加a,an,the?

how was your school day?good.I had_____meeting加a,an,the?
how was your school day?good.I had_____meeting加a,an,the?

how was your school day?good.I had_____meeting加a,an,the?
had a meeting.
回答句中没有想要特指什么会的意思,所以不用the.m又不是元音字母,所以不要an.
只有a对.