问题
选择题
We all think _________ impossible that he should be so impolite.
A．this
B．that
C．it
D．which
答案
答案：C
考查it用法.当宾语从句内容过长时,一般用it代替从句内容做形式宾语放到动词之后,而句子本身放到句尾.本题中it代替he should be so impolite.故选C.
搜题请搜索小程序“爱下问搜题”