The villagers and towns were usually perched on the edge, so as not to waste arable soil and because there was a need to live beyond the reach of the annual floods.这里and because为什么可以这么用?
刘老师,请教如下问题:The two passengers,( ) is reported in today's newspaper, were
rushed to the nearest hospital soon after the accident.答案是which, 我想问用as可以吗?谢谢!