My father's birthday is January 1st.
用法有些问题
改为 The date of my father's birth is January 1st.
或者改为January 1st is my father's birthday.
My father's birthday is on January 1st.
作表语
My father's birthday is January 1st.
用法有些问题
改为 The date of my father's birth is January 1st.
或者改为January 1st is my father's birthday.
My father's birthday is on January 1st.
作表语