问题
选择题
Today,we’ll discuss a number of cases ________ parents have much difficulty in communicating with their children.
A.which
B.as
C.why
D.where
答案
答案:D
题目分析:考查定语从句。句中先行词为cases,在定语从句中作地点状语,故用关系副词where。句意:今天,我们将讨论许多案例,在这些案例中父母与他们的孩子交流有很多的困难。故D正确。