问题
选择题
The most important thing ______ we should consider is the first idea _____ he has talked about in the speech.
A．which; that
B．that; which
C．which; which
D．that; that
答案
答案：D
这题考查定语从句的用法：第一空先行词是最高级 the most important thing，所以用that引导定语从句，第二空还是填that，，因为先行词被序数词the first修饰，选D。
