---May I speak to your manager Mr.Willians at five o'clock tonight?
---I'm sorry, Mr.Williams to a conference before then.
A. will have gone
B. had gone
C. would have gone
D. has gone
网友回答
(答案→)A. will have gone
B. had gone
C. would have gone
D. has gone
解析:可联系答.案.网客服索取。