问题
选择题
We __________ our lives had it not been for the policeman.
A．would have lost
B．should lose
C．might lose
D．could have lost
答案
答案：A
考查虚拟语气。句意“要不是警察帮忙，我们已经失去生命了。”had it not been for...是省略了if的虚拟条件句，主句用would have done。故选A。