When will Mr.Black come to Beijing?_September 5.September 5前用什么介词?
问题描述：
When will Mr.Black come to Beijing?_September 5.September 5前用什么介词?
答
on
具体时间用ON
答
(in)>>>"September" "5"at night,
in the morning,
in the afternoon,
in the evening.
at 5 o'clock........
答
on，具体日期要用on做介词啊！
答
on 具体的日期前用On
答
用介词on
在具体某一天（如此题中,具体到几月几号）,就用on
如果只有September（九月）,表达“在9月”而不是“在9月5号”,那么就是用介词in