问题
选择题
_____ puzzles me most is that I don’t know ______ the difference between the two lies.
A．What, how
B．What, where
C．That, what
D．How, which
答案
答案：B
主要测试主语从句和宾语从句第二空由句子______ the difference between the two lies可知缺少的应该是地点状语，因此答案为B。译文：最让我迷惑的是我不知道两者之间的区别在哪儿。