问题
选择题
Every hour and every minute ______precious to us because only six months are left for us to prepare for the college entrance examinations.
A．will be
B．are
C．is
D．were
答案
答案：C
考查主谓一致。every+ 单数可数名词 and every+ 单数可数名词做主语时，谓语动词用单数形式，根据语境所以选C。