假定你是john,将去上海旅游,写一封信给你在上海的朋友张强,告诉他你将乘车于10月21日上午8点到达上海,请他接站,并请他帮忙安排21至24日的住宿,（旅馆靠近市中心,房间可以小一些,但不要太贵,）此外,你还要帮他订24日返回北京的火车票

Oct. 15 Dear Zhang Qiang, 　　How are you doing recently? I’m planning to go to Shanghai and look around in the city for a few days. I’ll take the train and arrive at 8 o’clock a.m. on October 21st...