15.15. We wouldn’t have called a taxi yesterday if Harold __________us a ride home.
(A) didn’t offer
(B) wouldn’t offer
(C) hasn’t offered
(D) hadn’t offered

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詳解 (共 1 筆)

#1202781
这道题考的是虚拟语气,与过去事实相反,从句用过去完成时。故选(D)
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