下面这个句式对吗?是My birthday is on the first of Octorber还是My birthd

下面这个句式对吗?是My birthday is on the first of Octorber还是My birthd (1).My birthday is on the first of March.(在on the first of M My birthday is on the twenty-first of December同上（划线部分：on the 连词成句 1.birthday,on,my,of,is,the,first,july(.) My mother's birthday is on the first of Octoter.（同义句） My birthday is on the first of May. 改为同义句 My birthday is on January ninth对吗? 英语翻译比如说：My birthday is january first为什么不在is后面加on但是这个句子The vo in the first day of my life 还是on the first day of my life my birthday is on the ___(twenty) of march my birthday is on the ―[two]of july. My birthday is on the second of june 翻译