填a,an,the,不要用/表示. When's your birthday? It's on____first of May.
问题描述：
填a,an,the,不要用/表示. When's your birthday? It's on____first of May.
答
When's your birthday? It's on__the__first of May.
表示特指，用the
你生日是哪一天？
5月1日。
答
the
答
When's your birthday?It's on___the_first of May.