Question

　　　, we would have caught the first bus.

A．Had we got up earlier

B．If we got up earlier

C．Should we get up earlier

D．Unless we had got up earlier

Answer 1

选A。考查倒装和省略。在虚拟语气条件从句中若有were, should, had时可以把if省去而把这三个词放置句首。此处从句表示与过去的事实相反, 故选A项。