They will have a meeting ____ tomorrow afternoon.A in B \
问题描述：
They will have a meeting ____ tomorrow afternoon.A in B \
答
选B，可以不填介词，他们明天下午将会有一个会议
答
on,具体的时间用on
答
选B,today,tomorrow前都不加介词~
答
They will have a meeting __on__ tomorrow afternoon.
on和in表示时间时，具体到哪一个时间一律用on