问题补充:
—Thanks for your help, but can you do me one more favor, please?
—, Sir.What’s it then?
A. Just a minute
B. My pleasure
C. That’s right
D. At your service
答案:
A. Just a minute
B. My pleasure
C. That’s right
(答案→)D. At your service
解析:可联系答.案.网客服索取。