问题补充:
People from the West like to use these words in cases some people in Asia may not think it necessary.
A. which
B. that
C. what
D. Where
答案:
A. which
B. that
C. what
(答案→)D. Where
解析:考查从句关系词的选择。根据句子结构可知cases后面的是定语从句,cases在定语从句中作状语,所以选择where=in which