Question: 菲律宾是何时实施k-12的
Answer: 2013-05-15; 2013 05 15; 2013 5月 15; 05/15/2013; 15 05 2013; 05 15 2013; 15-05-2013; 15/05/2013; 15 5月 2013; 2013-05-15; 2013 may, 15; 05-15-2013