问题
选择题
The three backpackers finally reached the top of Mount Huangshan, ________ they could enjoy the breathtaking sights to their heart's content.
A．when
B．where
C．why
D．how
答案
答案：B
B考察定语从句。先行词是Mount Huangshan，后面定语从句很完整，故使用where引导定语从句，在句中做地点状语。