he was in his room ( )day.A.the whole B.all

问题描述:

he was in his room ( )day.A.the whole B.all
A选项为何不对?

all day 在长期使用中成为一个后置状语,故可放句尾
the whole day 是名词词组,前面没有介词的话,不能作状语的