问题补充:
--- Can I have a talk with you at about 5 this afternoon, Mr.Smith?
--- All right, I to my office from a conference then.I will be waiting for you there.
A. have come back
B. will come back
C. will have come back
D. will be coming back
答案:
A. have come back
B. will come back
(答案→)C. will have come back
D. will be coming back
解析:可联系答.案.网客服索取。