You can see it in many places.It can tell you what you can do or what you can’t do.It is a __
问题描述:
You can see it in many places.It can tell you what you can do or what you can’t do.It is a __
a是首字母
答
You can see it in many places.
It can tell you what you can do or what you can’t do.It is a _billboard_.
说明:billboard —— 告示牌