---When is Mid-Autumn Day? ( )
---It's usually ______September____ October.
A. in ; on B. in ; or C. on ; and
【答案】B
【解析】---When is Mid-Autumn Day? ( )
---It's usually ______September____ October.
A. in ; on B. in ; or C. on ; and
【答案】B
【解析】上一篇：按《增值税暂行条例》规定，下列项目或行为中视同销售的是（ ）。