Today,we'll discuss a number of cases___beginners of English fail to use the language properlyA whichB as C whyD where

Today,we'll discuss a number of cases___beginners of English fail to use the language properlyA whichB as C whyD where
Today,we'll discuss a number of cases___beginners of English fail to use the language properly
A which
B as
C why
D where

Today,we'll discuss a number of cases___beginners of English fail to use the language properlyA whichB as C whyD where
这句话的中文意思是：今天,我们要讨论一些案例,在这些案例中,英语初学者们没有恰当地使用语言.
所以,
解析如下：
A项的which 前面如果加上in也可以.C项不符题意.因为主从句之间根本就没有因果关系.B项as不符题意.因为作为关系代词,它的作句子成分主语或宾语,实际上主从句主语、宾语成分具备.如果作为连接词引导原因状语从句,主从句又没有因果关系.D项where表示“在.地方”,在句中作用为关系副词.

D
这题很典型，是where的用法，很容易出错的

A