问题补充:
We must face the fact our time is limited and we must cherish every minute.
A. which
B. on which
C. that
D. Why
答案:
A. which
B. on which
(答案→)C. that
D. Why
解析:考查同位语从句。同位语从句That our time is limited and we must cherish every minute修饰名词the fact.句意:我们必须面对那个事实,就是我们的时间有限必须珍惜每一分钟。