问题补充:
I didn’t know his address yesterday, otherwise I him a visit.
A. would pay
B. would have paid
C. paid
D. had paid
答案:
A. would pay
(答案→)B. would have paid
C. paid
D. had paid
解析:考查虚拟语气。陈述句,+otherwise+虚拟语气;根据前面一句话可知,是与过去是相反,所以主句中应是would have done.