It is polite in public piaces.

It is polite in public piaces. It is polite ( ) in public places __ smoke here ,dad .Smoking is banned in public piaces It's ____ (polite) to smoke in public It's not polite of you to spit in public. It’s not polite to speak LOUDLY in public. 1.It’s not polite to speak in public. It's not polite to c___gum in public the students are taught____in public,it is not polite To spit in public is not polite.(改为同义句) to spit in public place is not polite 改为同义句 ()isn't polite ( It is good manners in public.