Question

We ________ our lives had it not been for the policeman.

1. A.
   would have lost
2. B.
   should lose
3. C.
   might lose
4. D.
   had lost

Answer 1

A
因?yàn)閔ad it not been for the policeman =" if" it had not been for the policeman (如果沒(méi)有警察) ，顯然是與過(guò)去事實(shí)相反的情況，主句中的謂語(yǔ)應(yīng)是would have lost。