问题 选择题
   , 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
答案

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。

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