They arrived in Beijing ( ) the morning of July 28th,1996.
问题描述:
They arrived in Beijing ( ) the morning of July 28th,1996.
A)in
B)at
C)on
D)by
答
B)at
They arrived in Beijing ( ) the morning of July 28th,1996.
A)in
B)at
C)on
D)by
B)at