We must make ___ to the public that something should be done to stop pollution.

There are many shops on ____ side of the street. We can buy everything we want. 

Of the two possibilities, ______ is more likely than that.

Have you ever been to Mount Huangshan, _____ is famous for its towering pine forests and "sea of clouds"? 

 ________ is no good ________ over spilt milk.