it's not polite to trouble others when they are working

It's not polite to talk to your mother______that It's not polite to ask other people______(person) question. It's not polite to s___ at your parents. It's not polite to c___gum in publicc_____填什么 laugh at等于It's not polite to laugh at others.It's not polite to _____ ______ ______ others. laugh at等于It's not polite to laugh at others.It's not polite to _____ ______ ______ others. 1.It’s not polite to speak in public.( )1.It’s not polite to speak in public.A.loudB.loudlyC.louder我只知道不定式得用TO . 1.In western countries,it's not polite to ask other's p--- affairs It's not polite to s______ to the old people.根据首字母填空 It's not polite to s_____ to the old people(人) it's not polite to laugh at others这里的to laugh是什么成分 Don't l___ at that old man.It's not polite. Don't s_____ at the old mam. It's not polite快哦 don't eat ____(noise) at the table,it's not polite Don’t b_____ at anyone .It's not polite是不是bark 如果不是填什么 英语填空：Don't _______(大声喊)at anyone. It's not polite. it's not polite _____talk _____your mouth full it's not polite _____talk It's not polite to speak loudly in the library(改为同义句)