1
On
January
1st(念起来是January
the
first)
2
On
February
2nd1st(念起来是February
the
second)3
My
birthday
is
March
3rd.=
I
was
born
on
March
3rd.1st(念起来是March
the
third)
4
Your
birthday
is
October
9th.=
You
are
born
on
October
9th.1st(念起来是October
the
nineth)
5
She
was
born
in
December.=
Her
birthday
is
in
December.注意有具体日期用on,只有月份年份用in
专业回答,不懂再问,希望采纳,万分感谢!