问题
选择题
The explorers failed to find the cave because it was not located they had expected it to be.
A．which
B．that
C．where
D．what
答案
答案：C
题目分析：考查从句辨析。句意：探险家们未能找到那个洞穴，因为它并不在原先预定好的位置。locate位于，根据locate可知，后面的从句表示的是一个地点，从句不缺成分，故用where引导从句。故选C。