when's your birthday?的答语

问题描述:

when's your birthday?的答语
My birthday is July 6th.
My birthday is on July 6th.
It is July 6th.
It is on July 6th.
这几句都对吗?

My birthday isJuly 6th. 对
My birthday is on July 6th.
It is July 6th.对
It is on July 6th.