2012 Tianjin Question 15 Single-choice Differentiating 2012_天津 Paper 15.(1 分)$We would have called a taxi yesterday if Harold \_us a ride home$.( ) A. didn't offerB. wouldn't offerC. hasn't offeredD. hadn't offered Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →