English is one of the world's most important languages ___a.as it is so widely used b.if it is used very widec.it is used until so widely d.for it is quite wide used为什么选A?还有就是形容词,副词句中的用法在此句中
问题描述：
English is one of the world's most important languages ___
a.as it is so widely used b.if it is used very wide
c.it is used until so widely d.for it is quite wide used
为什么选A?还有就是形容词,副词句中的用法在此句中
答
首先确定是表示原因的，排除 bc
而d的修饰Verb 应该是adv 即 widely
因此选a
答
这里的as是表原因,还Because一样．
it is used 表被动．被使用,widely副词修饰动作．