on a one-year program为什么用on,
问题描述：
on a one-year program为什么用on,
只是问为何用on,不问别的,不需要翻译,
答
on a program固定的介词用法,表示：在．．节目中,在．．．计划中如：Last year, we reported on a program in Florida to give merit pay to teachers if student scores increase on a statewide test.去年,我们...