Mind your table manners.It is __(polite) to talk with your m

Mind your table manners.It is __(polite) to talk with your m 翻译It is bad manners to talk with your mouth full. 英语语法之定语It's bad manners to talk with your mouth full of food It's not polite to talk to your mother______that i think it is bad manners to run __ your parents. It is (不填) bad manners to blow your nose at(不填)table.为什么是这样啊 it is bad manners to blow your nose（ ） ? I think__bad manners to talk with your mouth full.为什么答案给的是空格 mind your manners 啥意思? It's good manners to keep your __ （声音）down in public. It is a bad ____ to talk with your mouth full of food it is important to talk things over with your parents and___