问题补充:
Mr Smith was having a meeting at that time, otherwise he over to help us.
A. would have come
B. would come
C. had come
D. was going to come
答案:
(答案→)A. would have come
B. would come
C. had come
D. was going to come
解析:考察虚拟语气。本题是一个含蓄条件句额虚拟语气。关键词是otherwise否则,要不然;根据前半句可知是与过去事实相反,故使用情态动词+have done。结合句意可知A正确。句意:在那时史密斯先生正在开会,要不然,他本会过来帮助我们的。