问一道高三英语单选题?Our teacher set us such a difficult maths problem ( ) we couldn't work out.A.as B.that为什么选A不选B呢,不是such.that.(如此...

问题描述:

问一道高三英语单选题?
Our teacher set us such a difficult maths problem ( ) we couldn't work out.
A.as B.that
为什么选A不选B呢,不是such.that.(如此...

选B的话应该是这样的.
Our teacher set us such a difficult maths problem ( ) we couldn't work IT out.
注意work out中间的那个It