问题补充:
--May I speak to your manager at four o’clock this afternoon?
--I’m sorry. He to a conference long before then.
A. will have gone
B. had gone
C. would go
D. has gone
答案:
(答案→)A. will have gone
B. had gone
C. would go
D. has gone
解析:此处will have gone表示将来完成时;had gone 表示过去完成时; would go过去将来时; has gone现在完成时。句意:——今天下午四点我可以和你的经理谈谈吗?——对不起。他那时就早已经去开会了。根据句意这里用将来完成时。故选A。