问题补充:
--Jack, could you tell me ?
--Sure. In the post office on Green Road.
A. where you bought the stamps
B. where did you buy the stamps
C. when you bought the stamps
D. when did you buy the stamps
答案:
(答案→)A. where you bought the stamps
B. where did you buy the stamps
C. when you bought the stamps
D. when did you buy the stamps
解析: 略