Jack could you tell me ?----Sure . In the post office on Green Road A. where you b

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

答案：

解析：此题重点考查宾语从句的时态和语序问题，无论哪种句式结构充当宾语从句都要用陈述句语序，从句的时态要和主句的时态保持一致。因主句的谓语动词是过去式从句的谓语动词也要用相应的过去时态。