It's not polite to c___gum in publicc_____填什么

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. It's__of you not to speak to the old man__.A.polite,politly B..polite,polite c.impolite,politelyIt's__of you not to speak to the old man__.A.polite,politly B..polite,polite c.impolite,politely D.impolite,polite 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 ask()A.the price B.the date C.a women 's age D.a girl's name 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 it's not polite _____talk _____your mouth full it's not polite _____talk As we all know ,it’s not polite to keep others_for a long time.A. Wait B. waited C.to wait D.waiting. It's not polite to speak loudly in the library(改为同义句) it's not polite ()others.to shout at 还是shout at As well all know,it's not polite to keep others_______(wait)for a long time.