He arrived Shanghai 6:00the morning of June 2nd.A. at at inB. in at onC. in at inD

问题补充：

He arrived Shanghai 6:00the morning of June 2nd.

A. at, at, in

B. in, at, on

C. in, at, in

D. at, in, on

答案：

A. at, at, in

(答案→)B. in, at, on

C. in, at, in

D. at, in, on

解析：句意：他在6月2号早上6点到达上海。in后面接大地方；at 后面接具体的时刻；具体的某一天的上午，下午，晚上都用介词on.