问题
选择题
______ disappointed us most was that the guide was always asking us to leave ____ we thought very interesting.
A．It; where
B．What; what
C．What; where
D．It; what
答案
B
题目分析：考查名词性从句：句意：最让我们失望的是，导游总是让我们离开我们认为是非常有趣的东西。第一空填what做主语从句的主语，第二空填what，是宾语从句的主语，选B。