There are some school r(要填）on the wall是根据首字母填写单词

There are some school r(要填）on the wall是根据首字母填写单词
There are some school r(要填）on the wall
是根据首字母填写单词

There are some school r(要填）on the wall是根据首字母填写单词
rules
school rules 是指校规