Mr Wu,when did the big earthquake in Wenchuan happen?__ 2:28 __ the afternoon of May 12,2008A On;inB at onC At;inD On;on

问题描述:

Mr Wu,when did the big earthquake in Wenchuan happen?__ 2:28 __ the afternoon of May 12,2008
A On;in
B at on
C At;in
D On;on

C

答案是B
at时间
on具体某天的上午、下午、晚上。
又如:
We will start at 8:00 on the morning of Sunday.

Mr Wu,when did the big earthquake in Wenchuan happen?(At) 2:28 (on) the afternoon of May 12,2008.汶川地震是何时发生的?是在2008年5月12日下午2点28分.在具体时刻前用介词at,在具体日期的下午之前要用介词...