问题补充:
— We all had a lot of fun at the barbecue yesterday.Pity you weren’t there.
—I really should have gone with you,but I on some remaining problems.
A. worked
B. was working
C. would work
D. would have worked
答案:
A. worked
B. was working
C. would work
D. would have worked
解析:考查动词的时态。并列句but部分交待的是
事实不能用虚拟语气。根据句意可知,昨天“我”没有去参加烧烤,是因为“我”当时正在处理一些问题,因此用过去进行时。