问题
选择题
But for the fact that the firefighters _____ at the spot in time, more people ______ their lives in the fire.
A．arrived; died
B．had arrived; would lose
C．arrived; would have lost
D．has arrived; could have lost
答案
答案：C
第一空叙述过去的事实用一般过去时态；第二空考查虚拟语气，与过去的事实相反主句用：情态动词+have done。 句意：要不是消防员及时到达火场更多的人会在火灾中失去生命。