问题
选择题
The motorcycle competition in the desert, ________ lasted ten days, is over now.
A．it
B．where
C．which
D．that
答案
答案：C
定语从句考查题。先行词为competition关系词在从句中做主语要用which、that，而在非限制性定语从句中只能用which。句意：持续了十天的沙漠摩托比赛现在结束了。