问题
选择题
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
答案
答案:D
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
答案:D