____the morning of Jan.20,2009,Barack H.Obama was sworn in as the 44th President of the United Stats of America.A,In B,For C,At D,On

分类: 作业答案 • 2022-06-07 08:58:13

问题描述：

____the morning of Jan.20,2009,Barack H.Obama was sworn in as the 44th President of the United Stat
s of America.A,In B,For C,At D,On

答

D,因为指的是具体时间

答