问题补充:
Today,we’ll discuss a number of cases beginners of learning English fail to use the language properly.
A. which
B. as
C. why
D. where
答案:
A. which
B. as
C. why
D. where
解析:D
解析此句中cases表示“情况”,这里where相当于in which,在从句中作状语。当先行词为case,stage,point等,且从句中不缺主要成分时,常用where引导定语从句,在句中作状语。