my birthday is january 1(英语)

问题描述:

my birthday is january 1(英语)
下面每句话有一处错误,找出来
my birthday is january 1
Mareh is the three month of the year.
He birthday is October ,4th
what is your birthday?

1 改 1st
mareh你拼错了three改third
He 改His
What 改 When