He arrived in Shanghai yesterday.为什么不能把in去掉?

He arrived in Shanghai ______ I left. Peter called me ( )he arrived in Shanghai He arrived in Shanghai last sunday改同义句 英语He arrived in Beijing（on）yesterday morning. 86.He arrived in Shanghai in 2003,_____,some time later,he b sam comes from america .he lives in shanghai now .yesterday The-----(late)news is that he has arrived in Shanghai.用所给单词的 he arrived ——shanghai——the afternoon of Dec.9.选项A at,in B in He arrived in Beijing It happened in a town 为什么第一句的in Beijin Does he live in shanghai? He（）in shanghai now By the time Mr.Jackson arrived in Shanghai,he___many famous