When is your mother's birthday?
问题描述:
When is your mother's birthday?
Her birthday is June.还是Her birthday is in June?
有没有in
答
Her birthday is in June在某一年/月,用介词in;
or
Her birthday is on June 9th.在具体某一天用介词on.
祝你开心如意!那her bithday is June 9th对吗?不对!【在六月九日】就属于【在具体的某一天】,要加介词【on】才对。