cross the bridge,then walk( ) to the and A staight B sraightly C towards D across

问题描述:

cross the bridge,then walk( ) to the and A staight B sraightly C towards D across

A 一直走‘可是课件上一直说的是“go straight on to the end”on 在这里可以省略吗?为什么不能选D呢?end是尽头的意思,是走到尽头across是穿过,很明显不符合意思on是可以省略的,在语法上并不错误不过最好加上